As the price for these products closely track their underlying asset and the risk free rate, their delta will be close to 1. Trading desks. Delta One trading desks are either part of the equity finance or equity derivatives divisions of most major investment banks.
The Nervous System and Appetite. Your hypothalamus is the part of your brain that regulates appetite and hunger. In fact, your hypothalamus stays pretty busy with this function, taking in data from different sources.
The leptin hormone is released by fat cells (adipocytes) after which it travels through the bloodstream into the brain. This hormone signals the hypothalamus, the small area in the base of the brain that controls hunger, that you have eaten enough and makes you feel full. Leptin is the hormone that regulates hunger. Even more interesting, Leptin stimulates metabolism and causes you to burn stored fat instead of muscles.