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.
You get happy. The third eye is a physical part of your brain (not an actual eye in any sense). It's responsible for the production of serotonin amongst other endorphines. https://en.wikipedia.org/wiki/Pineal_gla... It opens whenever you do something that makes you happy.