Hypothalamus is known as the small part of the brain which is situated at the base of the brain. It's very small in structure but plays an important role in the human body such as:
1) Releasing hormones.
2) Body temperature regulation.
3) Managing sexual behavior.
4) Managing daily physiological cycles.
Hunger triggering hormone also released by the hypothalamus which is known as orexin. Tumor in the hypothalamus can trigger the secretion of orexin hormone which makes the person eats excessively and never seems to feel full.
