Answer:
Anthropological hypothesis .
Step-by-step explanation:
Depression may be defined as the medical condition in which the individual loses the interest of participating in any social activities and has depress mood. The individual more enjoy the loneliness.
According to the anthropological hypothesis, the ways by which depression can be reduced be known. The depression might also result in the decrease in the reduce effect of the exercise. The individual might also have already have in their genes to become physically active.
Thus, the answer is anthropological hypothesis.