Marijuana Linked to Early Gum Disease. Feb. 5, 2008 -- Gum disease is widely considered a disease of aging, but that may not be true for young adults who smoke marijuana on a regular basis.
Your third eye is located in the center of your forehead. It is the site of the ajna chakra, which is associated with light, perception, and intuition. Chakras can become unbalanced when they are blocked, which may cause a person to feel like the areas influenced by that chakra are not working properly.
Horses have excellent peripheral vision. The third eyelid is a pink membrane which moves over the eye from the inside corner toward the outside corner. Its function along with the upper and lower lids is to protect the eye from trauma. An unusual feature of the equine eye is a structure known as the corpora nigra.