appetite

Body weight and fertility have long known to be related to each other -- women who are too thin, for example, can have trouble becoming pregnant.

Now, a master switch has been found in the brain of mice that controls both, and researchers say it may work the same way in humans.

Can watching TV news or crime shows trigger overeating? According to new research, people who are thinking about their own deaths want to consume more.

Researchers at Yale School of Medicine have found that in-utero exposure to the hormone grhelin, a molecule that controls appetite and hunger and nutrition, can result in decreased fertility and fewer offspring.