The Minnesota Starvation Experiment involved continuous severe calorie restriction—participants ate 1,500 calories daily for six months with severe physical and psychological effects. Intermittent fasting produces different outcomes because the body responds differently to “not eating” versus “eating but not enough.” Fasting triggers hormonal shifts (increased growth hormone, preserved metabolism) while chronic restriction triggers starvation adaptations.
This companion explores the experiment, why fasting is different hormonally, metabolically, and psychologically, and the key binary distinction. (4 min read)