The real danger with cannabis is not that it'll make you sick or have some nasty side effect like this article describes. The danger is simply that you will like it, you'll end up using it every day, all different times of the day, and it won't really hurt your health as much as it will make you live your life in a somewhat dopey, detached, less-intelligent way. As time goes on it won't feel "fun" it'll just feel "no…
I thought the way that South Park put it (in the voice of Randy Marsh) many years ago was just about perfect: “Well, Stan, the truth is marijuana probably isn't gonna make you kill people, and ...it most likely isn't gonna fund terrorists, but... Well son, pot makes you feel fine with being bored and... It's when you're bored that you should be learning some new skill or discovering some new science or... being creat…
The whitey that people experience, usually first time users or infrequent users, is a release of glutathione, and obviously its messing with the endocannabinoid system.
Its also got a very potent memory wiping effect, which makes it useful for criminals doing stuff to you, like raping you in your sleep if you have been spiked with prescription sleeping pills and/or off the shelf anti histamines sold to aid sleep.
Its a very nasty combination of drugs, when that sort of stuff has been done to you in your sleep, and criminals never tell you what they plan to do to you!
Dont make it easy for them, the legal system wont help you!