Yes, caffeine lowers your immune system. Caffeine is a toxin to the body. Like most toxins you can "get away with it" in small doses usually, but nevertheless it weakens the immune system. You only...
HIV-AIDS
Um i pretty sure your not supposed to eat marijuana, there are better things to use it for dummy
It does not. Taking naps can help you stay focused and concentrate when you are awake.
yes.