Cortisol is bad. Testosterone makes you aggressive. Melatonin helps you sleep. Experts bust common hormone myths ...

Being in a dramatic or stressful partnership can make your heart feel like it’s in the washing machine. But, as Lydia Spencer ...

Earwax isn't dirt — it's an antimicrobial secretion split into two genetic types, tied to hearing loss risk, and able to flag ...

YOU can’t stop the clock, but it turns out you CAN reduce your biological age. To test the theory, writer Ellie O’Mahoney ...

Learn what conditions an endocrinologist treats, including diabetes, thyroid and hormone disorders, and discover practical ...

That not only increases the sticky, uncomfortable feeling, but also blocks the body’s cooling effect through evaporation, ...

A psychiatrist says one common blood test may reveal whether inflammation is playing a role in depression—and what you can do ...

And your mindset plays a surprisingly strong role.

The latest ACC/AHA cholesterol guidance goes beyond simply lowering LDL or "bad" cholesterol. It encourages people to think ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

Cortisol is a critical hormone that is needed for the function of many body systems. Without cortisone, the body can’t respond to stress, and a stressful event can literally kill a patient.

When it comes to traveling for medi spas and biohacking retreats, only some clinics are actually worth their salt. Here's ...