Abrain tumor that results in obesity is most likely to be located in which area of the brain?
frontal lobe
hypothalamus
reticular activating system
medulla
hippocampus

A brain tumor that results in obesity is most likely to be located in hypothalamus of the brain.

Explanation:

Hypothalamus, the small area of the brain is present at base near the pituitary gland. It regulates the body temperature and contains multiple neurons that secrete various hormones namely,

Hypothalamic obesity (HyOb) is from the multiplication rate of the brain tumors and due to any inborn or physical changes in hypothalamus. One of the tumors named Craniopharyngioma causes HyOb.

When hypothalamus is damaged the interaction between the brain and gut reduces causing a constant strong feeling of hunger. Interventions that results in weight loss are essential prior treatment.