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Episode 120

100 Ways to Fight Obesity

Freakonomics asks a dozen smart people for their best ideas. Get ready for a fat tax, a sugar ban, and a calorie-chomping tapeworm.

Does Obesity Kill?

…I sometimes divide the obesity issue into three questions. 1. Why has the U.S. obesity rate risen so much? Many, many answers to this question have been offered, most of…



Episode 2

Is America’s Obesity Epidemic For Real?

Americans keep putting on pounds. So is it time for a cheeseburger tax? Or would a chill pill be the best medicine? In this episode, we explore the underbelly of…

The History of Obesity Revisited

(Photo: davidd) We’ve blogged before about the obesity epidemic, and whether or not it is a recent phenomenon; John Komlos and Marek Brabec have argued that obesity rates actually began…






Good News for Child Obesity

…Disease Control (CDC) shows obesity rates dropping for low-income preschool children in 19 states between 2008 and 2011. From the Wall Street Journal: The obesity analysis, by the federal Centers…



The Rising Obesity Tide

obesity above 30 percent — Tennessee, Alabama, and Mississippi,” said Dr. William Dietz, director of nutrition, physical activity, and obesity at the CDC. “Now, there are nine states that exceed…



From the Obesity In-Box

Our recent podcast on obesity has generated a lot of e-mail. (FWIW, one of the very first podcasts we ever did was also about obesity.) Here’s one interesting angle, from…





A Different Obesity Timeline

The obesity epidemic is generally portrayed as a relatively recent phenomenon, but new research paints a different picture. John Komlos and Marek Brabec find (gated version here) that obesity rates…



Surprising New Findings on Obesity

One of the first Freakonomics Radio podcasts we made was an episode about the (surprisingly tenuous) link between obesity and health problems. A new study in The Journal of the…




The Communist Approach to Obesity

Here’s one way to fight obesity: mandatory exercise, as Beijing has commanded again, after a three-year break. “The short-term goal is to involve 60% of the workforces in Beijing by…



Does Driving Cause Obesity?

People are significantly fatter in countries, states, and cities where car use is more common. Mass transit use, on the other hand, is correlated with lower obesity. But there has…



Another Obesity Explanation: Food Addiction

…people appear to have, the authors explained. More here. I have to say, if you were to catalog all the explanations given for obesity in scholarly journals and elsewhere, it…



A Smart Incentive or Obesity Persecution?

French diet guru Pierre Dukan is urging his government to give extra marks in school for a healthy BMI. The Telegraph reports: “Obesity is a real public health problem that…



More Heresy on Obesity

Obesity — its causes and consequences — is a frequent topic on this blog (and the podcast too). In the podcast, Eric Oliver argued that “the causal relationship between weight…



A Great Opportunity for Obesity Researchers

…high-calorie items. A few days later, the Times published an article on the subject. It struck me that this new regulation presents a great opportunity for obesity researchers. If you…



Teen Sex, Binge Drinking, and Obesity

Economics is sometimes ridiculed as a science that uses complex math to argue the obvious. That complaint may be valid toward the following paper, but it’s still interesting (to me…



How Google Fights Obesity

(Photo: Nicolas Nova) Last year, Google realized that its employees were eating too much free candy — M&Ms, specifically. So the company conducted a little experiment, and carefully tracked the…



Does "No Child Left Behind" Contribute to Obesity?

Photo: edenpictures That’s the question posed in a new working paper by Patricia M. Anderson, Kristin F. Butcher, and Diane Whitmore Schanzenbach. What would the mechanism/s be? “Schools facing increased…



Episode 285

There’s a War on Sugar. Is It Justified? (Replay)

Some people argue that sugar should be regulated, like alcohol and tobacco, on the grounds that it’s addictive and toxic. How much sense does that make? We hear from a…

Episode 285

There’s A War On Sugar. Is It Justified?

Some people argue that sugar should be regulated, like alcohol and tobacco, on the grounds that it’s addictive and toxic. How much sense does that make? We hear from a…

For White Girls, a Bigger Penalty for Being Obese

…recent obesity paper, from Charles Courtemanche, Garth Heutel, and Patrick McAlvanah, called “Impatience, Incentives, and Obesity” (abstract here; PDF here): This paper explores the relationship between time preferences, economic incentives,…