The thrifty gene theory holds that an internal thermostat works to maintain a person's weight around a narrowly set range.

Question

Quizplus · Accepted Answer

The thrifty gene theory suggests that certain genes increase the efficiency of food use and fat storage, which would have been advantageous during periods of food scarcity but may contribute to obesity in environments where food is abundant. It does not involve an internal thermostat for weight maintenance; that concept is more closely related to the set-point theory.

The Thrifty Gene Theory Holds That an Internal Thermostat Works