How long does it take for marijuana to leave your body?
The speed at which marijuana leaves your body depends both on the speed of your metabolism, as well as on the half life of THC. Unlike most other substances, the half-life of THC can vary quite a bit, depending on who is using it, when it's used, and several other factors. For example, it's estimated that THC can have a half life that ranges anywhere from 1-10 days. It's almost impossible to find out what that half life is, which means that it is very difficult to use it to calculate how long it will take for all of the THC to leave your body.
If you havent smoked marijuana in 2 years and you smoked how long would it take to get out of your system?
Marijuana contains THC. Because THC contains so many carbon atoms and so few oxygen atoms, it likes to deposit itself in the fat molecules of human beings. Because of this, we say THC is fat soluble. (Compare this to cocaine which has twice as many oxygen atoms, and instead likes to deposit itself into urine. We say cocaine is water soluble because of this.) Because the molecules like to stay in fat, they take a…