I have smoked weed once or twice in my younger years. The first time was when I was in my teens, and since then I have used weed occasionally in a social context. It is not like I am a regular user of weed, and I have never experienced any side effects other than getting high obviously. You do hear stories about people who smoke weed every night for decades, and how long term use of weed fries their body and their brain, you know? Can anyone explain what it is that makes this happen to the body?