This time, we're breaking down the science behind the body’s big shift. Puberty—the process of developing from a child to a reproductive adult—can make a kid look, feel, and act differently. Here’s ...

Discover how eating too few carbs can influence hormones that affect energy, appetite, metabolism, mood, and menstrual cycles ...

A better approach? Support the systems that regulate them naturally.

Hormones are chemicals made by different organs, glands, and tissues in your body. They’re an important part of your body’s messenger system. These chemicals send signals to almost every part of your ...

Ghrelin, called the hunger hormone, tells your brain it's time to eat when your stomach is empty. Ghrelin can make it hard to lose weight because it may increase appetite and decrease metabolism when ...

Female sex hormones, or sex steroids, play vital roles in sexual development, reproduction, and general health. Sex hormone levels change over time, but some of the most significant changes happen ...