Previously, leptin was the buzzword hormone that came up in conversations of hormone-related weight loss and gain. So far, it was thought that leptin-a hormone that tells your brain to burn fat for energy and tells your body when it is full – was the only hormone involved in weight loss.
"For decades, scientists have been trying to understand why it is so difficult to maintain the weight achieved for the victims of a successful diet and why it is so easy to regain weight loss," said Donato. "Leptin has so far been considered the primary hormone that works to save energy when we are hungry. "
During the study, the researchers saw that weight loss triggered an increase in growth hormone in the hypothalamus, making the weight loss harder and increasing the intensity of hunger. Why do our bodies respond this way? 1