WARNING!
This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.
By Dr. Mercola
The pineal gland is a small endocrine gland located between the two hemispheres of your brain. It is sometimes called the "third eye" due to its resemblance to the human retina. While your pineal gland is only about the size of a single grain of rice (5-8 mm), it performs several functions that are extremely important to your body.