Hormones are chemical messages that send signals throughout the body. They work slowly and affect body growth, development, metabolism, sexual function, mood, and other functions. Many medications are ...

Male hormones do more than regulate your drive and put hair on your chest. These chemical messengers play a central role in energy, mood, muscle strength, metabolism, and overall vitality. While your ...

Sunlight activates hormones essential for mood, sleep and reproductive health — that’s why it’s important to go outside when ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

Hormone level changes due to growth and development or disease can lead to various eye health issues. Eye changes occur during puberty and menopause, as well as due to low thyroid hormone levels. A ...

Hormone tests are often done as part of routine bloodwork, but your healthcare provider may order them if you're having menstrual issues, changes in sex characteristics, fatigue, loss of sex drive, or ...

A group of researchers has discovered a previously unknown pathway that regulates whether a plant uses its resources for growth or stress tolerance. This discovery could enable the stress response to ...