Hormones are the body’s chemical messengers. They act on various tissues and organs in the body to change their behavior. For example, the hormone prolactin stimulates the production of breastmilk.

Researchers at Nevada have discovered that tiny particles in the blood, called extracellular vesicles (EVs), are a major ...

Stress hormones are chemical messengers that play a role in the body’s physiological and behavioral responses to stress. Examples include catecholamines and cortisol. These hormones help initiate the ...

Male hormones regulate bodily functioning. These chemical messengers influence energy, mood, muscle, fat, health, and overall ...

Your body temperature might seem like just another vital sign, but it quietly reveals more than most people realize. From metabolism to mood, fluctuations in your temperature can serve as a hidden ...

The hours between dinner and bedtime represent a critical window that shapes hormonal patterns far more than most people realize. While daytime habits receive abundant attention, emerging research ...

Hot flashes, brain fog, mood swings, stubborn weight gain … many of us chalk these up to the unavoidable side effects of getting older. But what if they’re actually signs our bodies are missing ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...

Scientists anticipate a future where transgender people could create their own gender-affirming hormones and even produce ...