I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
to reduce your risk of contracting a communicable disease you could
-<span>use a condom</span>
Can you provide more info
Answer:
According to the set point theory, changes in adipose tissue mass are communicated to the brain, resulting in changes in energy expenditure. The set point theory of body weight regulation suggests that when someone gains weight beyond his or her set point, signals are produced that cause an increase in _____ and a decrease in _____ such that weight loss is induced.
Explanation:
:)
