In an experiment by Ancel Keys,36 male volunteers cut their food intake in half.In response to this semistarvation,the volunteers
A) did not stabilize their weight even though they were taking in half their previous calories.
B) stabilized at 25 percent of their normal weight,while taking in half their previous calories.
C) reduced their energy expenditure,and their body weights stabilized at about 25 percent below their starting weights.
D) increased their energy expenditure and their basal metabolic rate.

Question

Quizplus · Accepted Answer

The volunteers reduced their energy expenditure and their body weights stabilized at about 25 percent below their starting weights, as reported by Ancel Keys in The Biology of Human Starvation. They also showed physiological changes such as decreased body temperature and heart rate as adaptations to conserve energy.

In an Experiment by Ancel Keys,36 Male Volunteers Cut Their