Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent ...

This article was reviewed by Felix Gussone, MD. What Is Testosterone? As the primary male hormone, or androgen, testosterone ...

Immunologist Daniel Davis wants to eradicate long-held myths and replace them with wonder at the complexity of the body’s ...

A previously unknown group of nerve cells in the brain has been shown to play a crucial role in aggressive behaviour among mothers. The study, led by ...

What causes migraine?’ is a question with an answer as complex as the disease itself. Find out the difference between causes and triggers, and why it’s important to understand the distinction.

I have lived with chronic migraine for years and tried every pill and treatment out there. These are the simple fixes that ...

Sunlight is often perceived as a threat to your health, but research suggests exposure to sunlight may actually be beneficial ...

A number of musicians and actors have excelled not only professionally but also academically. These five in particular hold PhDs.

Human growth hormone (hGH) is a hormone you produce naturally, but can also get as a supplement if you are deemed deficient by a medical professional.

Alzheimer's disease not only robs people of their memory but also affects mood, often causing anxiety and depression. Until ...

Diabetes insipidus is very different from diabetes mellitus. It has nothing to do with blood sugar. Instead, the problem is ...

Understanding why our body sweats, what causes sweating, and its physiological importance reveals how essential this process is to our survival and overall health.