Medically reviewed by Kelly Wood, MD The endocrine system is made of glands that produce hormones (chemical messengers), ...

Americans are worried about the chemicals in their food, and some politicians are expressing the same concerns. In January, U ...

Hormones influence mood and metabolism Learn how imbalances affect emotions weight and overall health and how to restore ...

The ovary is the female gonad, which houses egg cells. Women are born with all the eggs they will ever have, and each egg is ...

Your endocrine system is a network of glands that produce and release hormones that help control a variety of your body's functions. When there is a disruption in this system, it can lead to ...

The endocrine system secretes hormones into the bloodstream from glands throughout the body. Hormones produce an effect on specific target organs in the body. In this video, Greg Foot explains the ...

The questions in this quiz are suitable for GCSE biology students studying hormones and nerves, negative feedback systems, thyroxine and adrenaline, and type 1 and Type 2 diabetes. If you ...