Health

A large meta-analysis, studying five decades, has found a dramatic and sustained decline in testosterone levels among men, raising concerns that the male fertility crisis is deeply misunderstood.

A kosher meal in a hospital should be boring, a footnote, one line on a dietary form swallowed up in the vast machinery of clinical care. Instead, it has become a test of nerve.

The researchers identified a unique biological mechanism that could enable the regeneration of sensory hair cells in the inner ear – a process previously thought to be impossible in humans.

Why is it recommended to prefer calcium from food, how do high doses affect blood vessels, and how to correctly calculate daily intake to protect bones without taking risks?

Vitamin E is not a substitute for sunscreen, a hat, or avoiding excessive sun exposure. But it is indeed part of the body's natural defense system. Here is how to consume enough of it.

A study has found that difficult experiences in the first years of life may alter the communication between the brain and the gut and raise the risk of abdominal problems even many years later.

More cases of melanoma are being diagnosed at relatively young ages. The explanation is not a sudden biological change in the population, but rather a combination of several factors.

Meet lycopene: The powerful antioxidant that protects the heart and skin, and why olive oil and cooking actually upgrade its absorption in the body.

Inside some of the sweetest fruits hides a chemical defense mechanism the plant developed for itself, and it is found precisely in the part most of us never eat: the seed or pit.

What percentage of your blood is taken in a donation? Does it weaken you? Who is forbidden from donating blood – and more myths and things you did not know about blood donation.