When Technology Isn't the Answer
Technology is supposed to improve outcomes and efficiency especially when it comes to “health-information technology” (HIT). But it’s not always that simple.
Technology is supposed to improve outcomes and efficiency especially when it comes to “health-information technology” (HIT). But it’s not always that simple.
To my mind, WeightWatchers is the industry leader in performing rigorous testing of their services. Under the leadership of Karen Miller-Kovach, its chief scientific officer, it has sponsored several randomized control trials comparing the effectiveness of the WeightWatchers point system to other diet approaches. For example, Miller-Kovach is a co-author of this 2003 JAMA study (which showed that after 2-years WeightWatchers helped overweight dieters lose about 3 percent of their body mass – reducing their average weight from 207 to 201 pounds).
But I’m troubled by the current advertising campaign that accompanies the rollout of the New PointsPlus system.
Might want to carry your Purell to the ATM from now on. A new study finds that the numeric keypads on London ATMs are as bacteria-contaminated as the seats of public restrooms.
In our latest Freakonomics Radio on Marketplace podcast, Stephen Dubner and Kai Ryssdal talk about the unexpected reasons why American food got so bad. (Download/subscribe at iTunes, get the RSS feed, listen live via the media player above, or read the transcript.)
In his forthcoming book An Economist Gets Lunch: New Rules for Everyday Foodies, economist Tyler Cowen pinpoints specific moments in history that affected American food for decades to come. From Prohibition to stringent immigration quotas to World War II, Cowen argues that large societal forces threw us into a food rut that lasted for roughly 70 years: