it could effect you because you could have one of the best times of your life!! but in all jokes aside most substances are unsafe to use and or addictive, however is you use non addictive safe drugs like lsd or weed you should be fine however i dont recommend it considering its illegal.
These are all true but I do not know the last part of the answer
It is one of the 4 major organs
true is the answer hope it helped
