How the Most Dangerous Study of All Time Changed What We Know About Weight Loss

For one, it has nothing to do with willpower

Michael Easter
5 min readMar 1, 2021
Photo: Wallace Kirkland/Getty Images

In November of 1944, 36 men entered a lab at the University of Minnesota. They were to be the guinea pigs in one of the most extreme and dangerous studies ever conducted.

World War II was raging. But just as many civilians were dying of starvation as were soldiers in battle. These 36 men volunteered to starve to help scientists understand the effects of starvation and how to bring starving people back from the brink.

In the study, the men were forced to walk at least three miles and do two hours of physical labor every day. During the first 12 weeks, the men ate normally (about 3,200 calories a day). The researchers took baseline measurements of their weight, body fat, resting heart rate, blood panels, strength, psychological state, etc, etc, etc.

Then the diet was abruptly cut in half, so the guys ate just 1,570 calories a day for 24 weeks straight. They had to keep walking and working and the scientists continued measuring. The above photos show just how profound the changes were from the outside.

But what happened to the men internally — both to their bodies and minds — is even more important. The lessons don’t just apply to starving…

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Michael Easter
Michael Easter

Written by Michael Easter

-New York Times bestselling author of The Comfort Crisis and Scarcity Brain. -I write about health, wellness, and mindset 3x a week at TWOPCT.com

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