Many people with autoimmune diseases are initially misdiagnosed with psychiatric conditions. Here’s why you shouldn’t accept ‘it’s all in your head’ for an answer.

In the morning, as light exposure increases, your brain stops producing melatonin, a hormone that regulates your sleep-wake cycle and makes you feel sleepy. Your body temperature also rises ...

Grain-free paleo (Paleolithic) diets are a popular eating style today, based on the premise that prehistoric humans ate in a healthier way than people do today. A new study, however, suggests that ...