This article, which is the second of a six-part series on the nervous system, considers the structure and key functions of the brain, starting with the cerebrum. This article, the second of a series ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

On social media and in wellbeing circles, people have been talking about the vagus nerve a lot. In fact, we have two vagus nerves — a left and a right — and their optimal functioning is essential for ...

Using an electrical device to send 'tickling' impulses into someone's ear could help them stay healthier into old age, scientists say. Stimulating the vagus nerve through the skin of the head may kick ...