All sorts of things.
Respiratory problems, heart problems, brain problems, social problems, mental problems, emotional problems, and much, much, more.
The type of drug determines the short-term and long-term effects. Some users become psychologically addicted to the euphoric sensations, and spend a majority of their time in lethargy or unproductive pursuits. Other drugs also cause physical dependence, the body's metabolism made drastically unstable. Still other drugs (as with alcohol) remove inhibitions or mental awareness, resulting in confusion, irrational behavior, or amnesia, and the potential for severe accidental injuries.
They could also be made well if they had been ill.
you can get cacer and die.
Some people use drugs to get high. And others use drugs to cure illnesses.
you die
they die
they die
people keep using drugs because there's nicotine in them, and other people get both kids and adults to use drugs.
Don't do drugs (:
If people use drugs to look cool, it is because they do not understand the dangers of recreational drug use.
Yes, they people are brushing their teeth after the use of drugs, sometimes. Yes, they people are brushing their teeth after the use of drugs, sometimes.
Pretty much everyone in the world use drugs.
People who do not use drugs are not at risk for legal penalties related to the use of illegal drugs.
He didn't experiment with drugs, he and his people like to use those drugs. So they would consume them as recreational drugs.