By Sy Mukherjee
June 10, 2019

Happy Monday, readers. I hope you had a wonderful weekend.

First off, a hearty thanks to all of you have already reached out with recommendations for Fortune‘s latest Change the World list. Please keep them coming!

You may noticed just how much digital space is consumed by nutrition and diet stories. Perhaps that’s not much of a surprise – the health and wellness industries have effective (and aggressive) marketing departments, and the desire to look and feel healthy is a pretty common one.

But a new study (following in the tracks of several before it) suggests that things are, well, a lot more complicated when it comes to diet: There just isn’t a magic bullet for any one person, and effective dieting means very different things depending on your own biological and social circumstances. In effect: There really is no ideal diet.

TIME Magazine’s Jamie Ducharme has a great writeup of a new nutrition study that found that even identical twins have strikingly different biological responses to eating similar foods.

“Our recommendations, medically and public-health wise, have just been assuming that if people follow the standard plan, they’ll lose weight,” study co-investigator Tim Spector, a professor of genetic epidemiology at King’s College London, told TIME. “Really, that thinking has now been exposed as completely flawed.”

This gets to one of the innate tensions in modern public health management: How do you manage wellness on a wide, population level while also acknowledging that personalized dietary and medical plans are a critical (if more expensive and complicated) part of the puzzle?

Read on for the day’s news.

Sy Mukherjee


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