setpoint theory

set·point the·o·ry

(set'poynt thē'ŏr-ē)
A hypothesized genetically determined level of body weight controlled by the hypothalamus that varies from person to person. Only exercise and drugs have been shown to alter (lower) the setpoint.
References in periodicals archive ?
There's plenty of good evidence for the adipose setpoint theory, which says that your genetics pre-program you to store a certain amount of fat.