When someone offers you drugs, don't take them.
All pills are considered drugs. There are over-the-counter drugs that anyone can buy and there are drugs that you have to have a prescription from a doctor to get. Usually when someone speaks of taking drugs it is medication that is not prescribed to them.
depends what it is your taking some yes some no
Taking two or more drugs at the same time will usually cause an interaction of some type.
You correctly observe that brutal humor is abusive. You avoid it as you avoid any form of abuse.
turning on a light and taking a shower
It depends on who's taking it, some people will react differently to different drugs than other people.
Because of the addictive nature of drugs. They just cannot stop themselves from taking them once they started.
While Brazilian diet pills are becoming increasingly popular it is advised to avoid them. They have many random and unknown side effects due to the drugs unknown origin and quality.
halucinations, speeding, appetite loss, insomnia
Some anti-inflammatory drugs are sulfa compounds but taking "sulphur" will do no good.
That may happen to a few people, since drugs and alcohol together can have some strange effects. You should probably avoid combining the two, again, especially if you tihnk it has a bad effect on you.
1) Avoid addiction and other health problems 2) Avoid financial difficulties 3) Avoid problems in relationships and family 4) Avoid possible incarceration 5) Avoid interacting with dangerous individuals