René Descartes once described the pineal gland as “the principal seat of the soul.” Medical knowledge has vastly progressed since his time, though. Here’s what we know about this critical organ.

Modern medicine and science knows a lot about the human body. No matter how knowledgeable someone is, however, nobody would claim that they know everything that can be known about it. One little gland ...

Your brain contains a small pine cone-shaped gland called the pineal gland. It’s about the size of a grain of rice. However, that size can vary in animals depending on their location. ‌This tiny gland ...

Surgery performed with its focus on one or more of the endocrine organs is referred to as endocrine surgery. The endocrine organs are glands located throughout the body, which secrete hormones that ...

The pineal gland, a reddish-gray, pine cone-shaped part of the brain, is unremarkable at first glance: It’s about a third of an inch long and tucked deep in the brain, near the center and between both ...

Biologists have identified a gene controlling left-right asymmetry in the brain and sleep-wake cycles. When zebrafish lack a specific protein, the two hemispheres of the brain develop symmetrically, ...