Adipose cells release an important hormone in appetite regulation called Leptin. The more adipose cells an individual has, the more leptin is secreted . Which of these is the physiological reason why obese individuals generally have increased feelings of hunger?
a. Excess leptin is excreted in the urine, preventing leptin from reaching the hypothalamus
b. Insulin and leptin compete for the same cellular receptors.
c. Leptin stimulates increased feelings of hunger.
d. Down - regulation occurs in the hypothalamus, and sensitivity to leptin is decreased