by Marion Nestle

Search results: soda tax

Sep 23 2014

No, the U of California does NOT forbid faculty to express opinions about the soda tax

Last Friday, I received a phone call from Todd Kerr, the publisher of The Berkeley Times, a community newspaper in Berkeley, CA.  He was preparing a story on the Berkeley soda tax and could not find University of California (UC) faculty who were willing to speak with him.

They were, they told him, under a gag order from the president’s office not to talk to reporters about the soda tax.

I can understand his frustration.  I spoke or e-mailed about 10 people with knowledge of this issue and only two would allow me to quote them for attribution.

For starters, the idea of a gag order seems contrary to current practice.

But the rumor is serious and deserves investigation.

I sent out queries to try to find out if the rumor could have any basis in fact.

Mr. Kerr kicked off the process by giving me the names of the three faculty members he said had refused to speak with him about the soda tax.

I was able to track them down.  Here is what they told me (not for direct quotation or attribution):

  • Source #1: Mr. Kerr had asked scientific questions outside the respondent’s area of expertise.
  • Source #2: Mr. Kerr stated that his paper does not take a stance on issues, so HE can’t write for or against the tax.  This respondent’s understanding is that Berkeley faculty members can state opinions on any voting matter as long as they do not claim to speak for the university.
  • Source #3: University counsel advised this respondent that faculty can say what they want as private citizens, but not as UC employees.  This source’s understanding is that state employees are not permitted to work to alter the conduct or outcome of matters on which the public is voting.  And, if the food industry were to sue a faculty member for something said in the course of an election campaign, the university would not provide legal resources or defense.

Source #3’s comments especially demanded further inquiry.  I did some more consultation of UC faculty, legal staff, and professional staff.

UC policy on political speech is governed by state law

As one source explained, there is no gag order on faculty.  There are, however, state statutes that limit the University’s ability to take positions on ballot measures that are before the voters (be sure to look at the Webinar slide show).  These state in a Q and A:

May a University employee endorse a ballot measure in his/her private capacity and identify himself/herself by University title?

Yes. A University official may allow use of his/her name and title for identification purposes in the same manner as others who sign an endorsement. An express disclaimer of University endorsement is required only where the context might reasonably cause confusion as to whether the endorsement is made in an official or unofficial capacity.

My queries eventually landed in the Office of the President of the UC System.  Steve Montiel, Media Relations Director, one of only two people in all of this who was willing to be quoted by name, said:

All University of California employees, including faculty, have the right to express their personal opinions about any matter of civic importance, including ballot measures. Consistent with state law, however, longstanding University policy prohibits university resources from being used to oppose or support a ballot measure. Only the UC Board of Regents can take a public position on a ballot measure, and it has done so in the past.

I also consulted Michele Simon (the second quotable) about state policy.  She notes that this is standard policy for institutions receiving state funding.  UC is a state school and, therefore, is not allowed to use state funds to take political positions.

She reminded me that at Stanford, a private institution, Henry Miller of the conservative Hoover Institute violated Stanford’s no-position policy on ballot measures when he did a TV ad opposing Proposition 37, the GMO labeling initiative, using his Stanford affiliation.

When we learned of the ‘No on 37 ‘ commercial, we immediately asked to have it changed so it would be in compliance with Stanford policies,” said Debra Zumwalt, the university’s vice president and general counsel. “While everyone at Stanford is entitled to espouse whatever political view he or she may choose, we do not allow people affiliated with Stanford to take a political position in a way that could imply that it is Stanford’s position.”

In my own experience, UC’s policy also sounds like standard practice.  When the Sugar Association threatened me with a lawsuit (see documents under Controversies at the bottom of the Media pages), that’s pretty much what NYU lawyers told me.  If I said something libelous, I would be responsible for the legal consequences.  Luckily, the Sugar Association never sued.

So—how did this rumor get started?  

Here’s what I learned.

A group of faculty advocating for the soda tax asked to meet with university legal counsel for advice about how to protect themselves and the university against potential lawsuits filed by, for example, the American Beverage Association (ABA), which has been especially aggressive in fighting the tax.  The ABA’s actions reminded them of the cigarette industry’s fight with the UC system over the tobacco control archives now housed at UCSF.

Some of the legal advice to faculty—if you speak at a soda tax rally, represent yourself as an individual,not a representative of the university, and do so on your own, not the university’s time—can be interpreted as restrictive even if it is not meant as such.

UC’s policy on academic freedom

Please note that UC, since the time of the Free Speech Movement, has developed a clear policy on academic freedom:

…academic freedom depends upon the quality of scholarship, which is to be assessed by the content of scholarship, not by the motivations that led to its production. The [policy]…does not distinguish between “interested” and “disinterested” scholarship; it differentiates instead between competent and incompetent scholarship. Although competent scholarship requires an open mind, this does not mean that faculty are unprofessional if they reach definite conclusions. It means rather that faculty must always stand ready to revise their conclusions in the light of new evidence or further discussion. Although competent scholarship requires the exercise of reason, this does not mean that faculty are unprofessional if they are committed to a definite point of view. It means rather that faculty must form their point of view by applying professional standards of inquiry rather than by succumbing to external and illegitimate incentives such as monetary gain or political coercion. Competent scholarship can and frequently does communicate salient viewpoints about important and controversial questions [my emphasis].

My translation: if faculty opinions about the soda tax are based on research—and plenty of research is available to back up the rationale for and potential efficacy of such a tax (see Rudd Center and Bridging the Gap)—faculty not only have the right but also have the responsibility to express opinions about them.

UC faculty: get out there and support the tax!

And wish the FSM a happy 50th anniversary.

 

Jul 31 2014

Rep. Rosa de Lauro introduces the SWEET soda tax act!

Yesterday, the fabulous Representative Rosa DeLauro (Dem_CT) introduced the Sugar-Sweetened Beverages Tax Act of 2014 (SWEET Act).  Here’s a quick summary of the bill. The SWEET Act (you have to love the name) would put an excise tax of one cent per teaspoon of sugars (a teaspoon is about 4 grams). The bill is clearly aimed at sugary drinks, which account for about half of total sugar intake.  According to the 2010 Dietary Guidelines (page 29),

  • Sodas, energy, and sports drinks account for 35.7% of total sugars
  • Fruit drinks—a category that does not include 100% juices—account for another 10.5%.
  • Sugar-sweetened teas account for 3.5%.

The tax ought to raise about $10 billion a year, and is earmarked for programs to combat soda-related disease. It also ought to further reduce consumption of sugary drinks, as is already happening in Mexico. If you would like to endorse this legislation, contact Kelly.Horton@mail.house.gov in Representative DeLauro’s office. References

 

Oct 6 2013

Soda tax controversy goes international

My monthly first Sunday Food Matters column in the San Francisco Chronicle:

Q: I hear that the Mexican government wants to increase taxes on sodas as a way to fight diabetes. The soda industry persuaded voters to defeat soda taxes in Richmond and El Monte last year. Won’t it do the same in Mexico?

A: It might. I’m just back from a lecture trip to Mexico City where I heard plenty about the proposed soda tax and the industry’s response to it.

Last month, the Mexican government proposed an additional soda tax of one peso (about 8 cents) per liter. The idea is to raise $1.5 million per year while discouraging soda consumption, thereby helping to reduce the country’s high prevalence of obesity and Type 2 diabetes.

Mexicans drink lots of soda. By some estimates, average per capita consumption is 50 gallons a year, the highest in the world. It’s no coincidence that more than 70 percent of Mexicans are overweight or obese, and around 15 percent have Type 2 diabetes, a prevalence that terrifies health officials. This type of diabetes, if undiagnosed and untreated, can lead to blindness or foot amputations.

‘Nutrition transition’

Mexico is a classic example of a country in “nutrition transition.” As the economy improves, people increasingly buy high-calorie ready-made foods, put on weight, and raise their risk for diabetes. Meanwhile, the poorer segments of the population continue to experience high levels of stunting, iron-deficiency anemia and vitamin A deficiency.

This makes obesity a relatively new problem in Mexico, one widely understood to result from the introduction of processed foods – especially sodas – into the Mexican food market.

I could easily see how deeply sodas are embedded in Mexico’s food culture. Sodas were advertised and available everywhere. And they come in enormous three-liter bottles that cost less than the price of bottled water – only 17 pesos ($1.35) each. Clean water is not always available, making sodas the easy choice.

Sodas are cheap because Mexico grows its own sugarcane and sells it at market prices. We, however, artificially support the higher price of U.S. sugar through tariffs and quotas. That’s why our sodas are made with high fructose corn syrup. We subsidize corn production so corn syprup costs less than sugar.

Some people think cane sugar tastes better than high fructose corn syrup, although controlled taste tests don’t always back this up. It’s ironic that U.S. supermarkets now carry, at highly inflated prices, Mexican Coca-Cola sweetened with cane sugar.

Industry efforts to defeat the Mexican soda tax have been ferocious, just as they were in Richmond and El Monte last year. Producers argue that if the tax really does decrease consumption, it will cause hundreds of thousands of jobs to be lost.

I saw a newspaper advertisement from the Mexican Beverage Association that not only attacked the science relating soft drinks to obesity, but extolled the health benefits of sodas: “Sugar is nutritious; it’s a carbohydrate. Carbohydrates are essential for life. Sugar is indispensable for the brain. Soft drinks hydrate and bring energy.”

An ad from the sugarcane industry also threatened job losses – “The tax will generate unemployment and discourage productivity and investment” – and noted that workers and the poor will bear most of its burden.

The big questions

As with any such initiative, the big questions are whether the tax is likely to reduce soda consumption, obesity and diabetes, and whether the revenue will be used for widely beneficial public health purposes. Mexico’s Congress will have to address these questions when it votes on the tax in the weeks ahead.

In the meantime, a coalition of consumer and health groups, in part funded by Bloomberg Philanthropies, has been putting posters in subway stations that illustrate the amounts of sugar in soft drinks. The groups are actively advocating for the soda tax and for using its funds to provide free potable water in schools – something that does not now exist. But TV stations have refused to carry their ads for fear of losing soda advertisers.

Like their U.S. colleagues, Mexican public health authorities are searching for effective ways to reverse obesity trends. Sugary drinks are an easy target. Taxing them might happen despite industry opposition – especially if the funds are earmarked for clean water.

Editor’s notesMarion Nestle will discuss her new book, “Eat, Drink, Vote: An Illustrated Guide to Food Politics,” with Narsai David at the Commonwealth Club on Oct. 15 at 6 p.m., and at Book Passage in Corte Madera on Oct. 19 at 11 a.m.

She is also receiving the James Beard Foundation Leadership Award for her writing about how science and public policy influence what we eat. The award ceremonies are Oct. 21 at the Hearst Tower in New York.

Marion Nestle is the author of “Eat, Drink, Vote,” “Why Calories Count: From Science to Politics,” “Food Politics” and “What to Eat,” among other books. She is a professor in the nutrition, food studies and public health department at New York University, and blogs at www.foodpolitics.com. E-mail: food@sfchronicle.com

Dec 2 2012

The defeat of California’s soda tax initiatives: lessons learned

My monthly (first Sunday) Food Matters column for the San Francisco Chronicle deals with the aftermath of the defeat of two California soda tax ballot initiatives.

Q: As one who campaigned for the soda tax in Richmond, I’m so discouraged by the millions spent by the soda industry to defeat it there and in El Monte (Los Angeles County). I don’t see how anyone without that kind of money can do anything to reverse obesity and diabetes.

A: Patience. These things take time.

Losing the soda tax campaigns taught health advocates some important lessons, not least that money buys votes. But it also taught that appeals to voter concerns about higher prices, job losses and personal autonomy are more effective than appeals based solely on health considerations.

Nobody likes taxes, and soda taxes are regressive, meaning that they impose a greater burden on the poor. Although the poor drink more sodas and have higher rates of obesity, and are likely to derive the most benefit from drinking less soda, taxes are still a hard sell.

Because dietary choices seem so personal, the influence of the food marketing environment on personal choices is not intuitively obvious. Everyone “knows” that larger food portions have more calories, but that doesn’t stop anyone from eating more calories when confronted with supersize foods or drinks.

The public health route

That’s why public health approaches work better than just telling people to eat less or eat better. The most effective measures change the environment of food choice by encouraging better options with price subsidies or portion-size caps and discouraging unhealthier choices, which is where taxes, bans on toys, and restrictions on marketing come in.

Such measures aim to make healthy choices the default. Most people are happy to live with the default option.

Food companies want their products to be the default. They will always oppose measures that might reduce sales, and they have no lack of resources to do so.

How might public health advocates counter such opposition?

Community approach

The Richmond example suggests the need for public health approaches that are community-based. This means going into communities and asking residents how they view the causes and consequences of their own health problems, and what they think should be done to fix those problems.

Communities set the goals. Advocates help communities achieve them.

This approach is fine in theory, but difficult in practice. Nobody makes food choices in a vacuum. Soda and fast food companies market their products to low-income and minority groups, and make sure their products are inexpensive, readily available and ubiquitously advertised.

To gain traction, food and beverage companies support the activities of community groups, sponsor playgrounds, and place their brand logos on everything they can. My favorite recent example is Coca-Cola’s $3 million gift to Chicago to fund an educational campaign to counter obesity and diabetes (no, I did not make this up).

Community-based campaigns not only can focus on the health consequences of poor diets but also can demonstrate to residents just how food companies put corporate health above public health and engage low-income communities in achieving corporate goals.

Teaching how the food marketing environment works should stimulate plenty of questions about why healthier foods aren’t more widely available in communities – and at affordable prices. It should raise questions about why school lunches aren’t better, and why soda advertising pervades athletic facilities. It should get people thinking about what food and beverage companies are actually doing in low-income communities.

Community-based public health should encourage residents to want to change their food environment.

It should get them thinking about wanting stores to provide healthier foods. Or they might want a farmers’ market, community gardens, better school food, and cooking lessons for their kids.

A method that works

These things really can help change eating behavior. The American Heart Association recently published a massive review – with rankings – of environmental interventions aimed at improving personal diets, physical activity levels, and smoking habits (See Circulation 2012; 126:1514-1563).

The review cites evidence for strategies to improve diets such as media campaigns, price subsidies, school meals and gardens, and restrictions on marketing, as well as taxes as portion caps. Some of these interventions are expensive, but others are not.

A review like this gives advocates plenty to work with.

Soda tax initiatives will not be going away. Neither will other such measures. Community leaders across the country will be continuing to introduce them as a means to reduce health care costs and to generate needed revenue for health-promoting activities.

It’s worth starting now to engage communities in efforts to improve their own health. Next time, engaged communities may be ready to vote for health over corporate interests.

Grassroots efforts take time. It’s too soon to be discouraged.

Marion Nestle is the author of “Why Calories Count: From Science to Politics,” as well as “Food Politics” and “What to Eat,” among other books. She is a professor in the nutrition, food studies and public health department at New York University, and blogs at foodpolitics.com. E-mail: food@sfchronicle.com. 

Sep 10 2012

California judge: Richmond cannot require anti-soda tax group to disclose donors

I’m following the soda tax initiative in Richmond, CA with rapt attention.  Richmond, as I explained last week, is a low-income city with a lot of obesity-related chronic disease and high soda consumption.

Residents will vote on its soda tax initiative in November.  In the meantime, the American Beverage Association has gone to work to spin the science, attack critics, and fund “community coalition” groups to oppose the initiative.

Richmond requires such groups to disclose their top donors on political mailings.  The soda-industry funded “Coalition” went to court to block this requirement on First Amendment grounds.

Now, according to Robert Rogers, the terrific reporter for the Contra Costa Times who has been working on this story, a federal judge in San Francisco issued a temporary restraining order doing just that.

Complete victory for our side,” said coalition spokesman Chuck Finnie. “(Judge Charles Breyer) indicated he doesn’t think (the ordinance) applies to us because we are not engaged in independent expenditures. (Breyer) indicated a city can’t require a campaign to publish political arguments under the guise of claiming it is a disclosure.

This will be back in court on September 18.

In the meantime, “Big Soda” is expected to spend more than a million dollars in Richmond to make its efforts look like a local campaign.

Here is the Statement on Ruling on Richmond Mailer Ordinance.

And here are related Contra Costa Times stories on the soda tax initiative.

Jul 2 2012

Soda taxes and other measures designed to fight obesity

My once-a-month (first Sunday) Q and A column in the San Francisco Chronicle deals with recent city initiatives.

Q:Why do municipalities continue to try to tell us what to eat or drink through taxes (the 1-cent soda tax on the Richmond ballot in November) or outright bans (eliminating super-size soft drinks, proposed by Mayor Michael Bloomberg in New York)?  Richmond residents could just buy their sodas in neighboring towns, and 1 cent seems hardly enough to influence anyone. New Yorkers could just buy two drinks if they want more. Isn’t this all rather silly?

A: Silly? On the contrary. These are dead-serious attempts to address the health problems caused by obesity through “environmental” change – changing the context in which we make food choices.

By now, health officials are well aware that asking individuals to take responsibility for making their own healthy food choices hasn’t got a prayer of success in the face of a marketing environment that encourages people to eat everywhere, all day long, in very large portions and at relatively low cost.

This is the default food environment, where it’s useless to tell people they need to eat less and expect them to do it. They can’t. Instead, it makes sense to try to change the food environment to make healthy choices the easy choices.

Healthy by design?

Suppose, for example, that all kids’ meals at fast-food restaurants were healthy by design and automatically provided milk or water.

You could still order a soda for your kid, but you would have to ask for it – and pay extra. If you are like most people, you won’t bother. That’s why the default matters.

Cities are trying to change the default. One change may or may not make a difference – we don’t know that yet. But changing the default might well make healthy choices easier in schools, fast-food restaurants and other institutions.

Bloomberg’s proposal in New York, to ban sodas larger than 16 ounces, is one such step. From my standpoint, 16 ounces is generous. It’s two full servings and provides about 50 grams of sugars, 200 calories and 10 percent of daily calories for someone who consumes 2,000 calories a day.

Portion sizes used to be a lot smaller. Decades ago, Coca-Cola advertised 16-ounce bottles as “big” and enough to serve three over ice.

If we could recognize that larger portions have more calories – and act on this knowledge – we might have an easier time maintaining weight. But we can’t, at least not easily.

The Richmond soda tax proposal recognizes that more than half of Richmond schoolchildren are overweight or obese. This percentage is higher than in other areas of Contra Costa County.

Even more striking, city officials estimate that two-thirds of Richmond adolescents consume more than 400 calories a day from soft drinks.

Kids who habitually drink sugary sodas tend to have worse diets, to be fatter and to display more risk factors for chronic diseases than kids who don’t.

This makes sugar-sweetened beverages an obvious target for environmental approaches to obesity prevention. Sugary sodas have calories but no nutrients. They are consumed in large amounts. They are highly correlated with obesity and health risks. They are “liquid candy.”

Sugary drinks should be once-in-a-while treats, not daily fare.

Richmond officials hope that the tax will encourage healthier choices. They deliberately set the proposed tax small so it would not unduly burden low-income residents.

One penny per ounce – 16 cents on a 16-ounce soda – may not be enough to change behavior, but it sends a clear message: It’s less expensive to drink water, and it’s healthier to reduce soda intake.

Funding programs

The Richmond proposal has one other critically important feature. It specifies that soda tax revenue will be used to fund city programs to address and reduce childhood obesity, especially in low-income areas where obesity rates are high.

These experiments are worth national attention. They may well do some good for individuals, and I can’t see how they would cause harm in any way except, perhaps, to the economic interests of soda companies.

Soda companies are taking these initiatives seriously. They are pouring millions of dollars into lobbying and community campaigns against both proposals.

Both have elicited plenty of public discussion, much of it focused on the rights of individuals versus the public health interests of government.

What I like about these initiatives is that they do not infringe on individual rights – people can buy as much soda as they want. The proposals simply try to make the default food environment slightly more conducive to healthy choices.

I’m hoping both proposals go forward. I can’t wait to see how they play out.

Mar 17 2011

Soda companies vs. soda taxes: breathtaking creativity

I keep telling you.   You can’t make this stuff up.  Try these for food politics–in this case, soda politics–in action.

Beverage Association gives $10 million to Children’s Hospital of Philadelphia (CHOP)

From the Philadelphia Inquirer blog (March 16):

In keeping with a controversial pledge to made last year to City Council as part of an effort to ward off Mayor Nutter’s steep tax on sugar-sweetened beverages, the soft-drink industry will donate $10 million to the Children’s Hospital of Philadelphia to fund research into and prevention of childhood obesity.

The three-year grant is funded by a new organization, the Foundation for a Healthy America, created by the American Beverage Association, the national trade group representing manufacturers and bottlers. The ABA was instrumental in lobbying Philadelphia City Council to reject Nutter’s proposal to tax sugary drinks at 2-cents per ounce as a way to cut consumption and raise money for the general fund.

In a press release Wednesday, CHOP insisted that it will “retain absolute clinical and research independence,” as the source of its funding for the research is likely to come under attack from those wary of the beverage industry’s influence. That includes funding for clinical studies to be submitted to peer-reviewed publications.

Atkins Obesity Center publishes review of effects of soft drinks on obesity

In a delicious irony, the latest review of this topic comes from the Atkins Center at Berkeley.  Yes, the Atkins Diet Atkins, the one that promotes high-fat, low-carbohydrates, and has everything to gain from proving that sugars are bad for you.

With that duly noted, set the irony aside.  The review was funded by independent agencies and organizations.  Let’s take its results at face value.

The reviewers looked at five kinds of evidence: secular trends, mechanisms, observational studies, intervention trials and meta-analyses.  All supported the idea that

The currently available evidence is extensive and consistently supports the hypothesis that sweetened beverage intake is a risk factor for the development of obesity and has made a substantive contribution to the obesity epidemic experienced in the USA in recent decades.

Sweetened beverages are an especially promising focus for efforts to prevent and reduce obesity for two reasons: (i) the evidence supporting the association between sweetened beverage intake and excess weight is stronger than for any other single type of food or beverage; and (ii) sweetened beverages provide no nutritional benefit other than energy and water.

Coca-Cola funds North Carolina School of Public Health campaign against Childhood Obesity

Isn’t that nice of them?  The apparently unironical slogan of the campaign : “Everything in moderation.”

Robert Wood Johnson Foundation report, “F as in Fat”, features piece by PepsiCo’s CEO

Melanie Warner, writing on bNET, explains that the RWJ Foundation is usually scrupulously independent but that putting Pepsi’s PR piece into its document makes no sense.

A third of the way into the report, up pops a bizarre “personal perspective” from PepsiCo’s (PEP) CEO Indra Nooyi in which she details the many ways her company is working to make America healthier. “Helping consumers by building on our portfolio of wholesome and enjoyable foods is not just good business for PepsiCo -– it’s the right thing to do for people everywhere,” Nooyi chirps in a two-page soliloquy that reads like a press release and touts everything from Pepsi’s pledge to reduce the sodium in its products by 25% by 2015 to its reduced sugar drinks like Trop50 and G2. No other food company is mentioned, just Pepsi.

[This inclusion]…also ties into the ongoing debate about what role the food industry should play in helping Americans slim down. Are food companies trusted partners who are committed to fundamental changes, or is getting people to eat healthier versions of processed food really a whole lot of Titanic deck chairs?

As the research linking soft drinks to obesity gets stronger and stronger, it is no wonder that the Beverage Association is buying off city councils, and soft drink companies are eager to position themselves as helping to solve the problem of childhood obesity, not cause it.

Do these actions remind you of any other industry’s behavior?  Cigarette companies, anyone?

Jul 3 2010

Soda taxes: politics vs. public health

By analogy with cigarettes, taxes on sodas might discourage people—especially young people—from consuming sugary drinks.  This might help with weight issues.

According to a new analysis by USDA economists,

A tax-induced 20-percent price increase on caloric sweetened beverages could cause an average reduction of 37 calories per day, or 3.8 pounds of body weight over a year, for adults and an average of 43 calories per day, or 4.5 pounds over a year, for children. Given these reductions in calorie consumption, results show an estimated decline in adult overweight prevalence (66.9 to 62.4 percent) and obesity prevalence (33.4 to 30.4 percent), as well as the child at-risk-for-overweight prevalence (32.3 to 27.0 percent) and the overweight prevalence (16.6 to 13.7 percent).

Soft drink companies know this all too well.  Hence, intense industry lobbying.  In the case of New York State, the lobbying succeeded.  Soda taxes are history (for now).

New York Times 7-2-10

As the New York Times explains:

Final lobbyist filings are not yet in, but estimates of the amount spent…range from $2.5 million, by Mr. Finnegan’s count, to $5 million, by the beverage industry’s count. The American Beverage Association spent $9.4 million in the first four months of the year to oppose New York’s soda tax, according to a search of public lobbying records by the New York State Healthy Eating and Physical Activity Alliance. Most of the money was spent on advertising, media and strategy.

This is a setback, but probably temporary.  Sooner or later, soda taxes will come.  Bring on the research!

Addition, July 5: Harvard researchers have just published a paper in the American Journal of Public Health showing that raising the price of sodas in a hospital cafeteria does indeed discourage sales.