These hormones give you super energy and cause other changes in the body such as the "fight or flight" response.

This and other hormones cause most of the changes that happen during puberty.

Thus, experts say, the hormones should not cause concerns about adverse health effects.

Some hormones can cause side effects that will make me feel like I'm going through menopause.

It's when hormones in your body take over and cause things to change, grow, and develop.

"When you are pregnant, your hormones cause the cancer to grow faster," she said.

They also tend to grow slowly, but too many hormones can cause significant problems in the body.

These hormones cause a range of physiological changes that over long periods can be harmful.

These hormones cause a girl to grow into a woman, and make her feel like a woman.

The hormones in the birth control pills cause other changes that help to prevent pregnancy, as well.