How long weed stays in your system depends on the type of drug test being used and how frequently you use cannabis.

BISMARCK, N.D. (KFYR) - Marijuana has gone through a lot of changes since President Reagan’s War on Drugs in the 80s. One of the biggest changes we have seen is in how marijuana is consumed. Instead ...

High levels of THC -- the compound in marijuana that causes a "high" -- may affect how eggs develop and could lead to fertility problems, miscarriages and chromosome issues in embryos, new research ...