There are many reasons for people take drugs:-
Legality
Prescribed Medication
Fitting In
Depression
Peer Pressure
To Feel Good
Availability
Gateway
Experimenting
Self Medicating
All of the ones that don't die by taking drugs.
yes a human can not go on with there daily activities if they don't have drugs or alcohol This is called Addiction or Alcoholism, unless there is a medical reason for taking drugs. There is no medical reason for taking alcohol to get by in daily life. Most people in the world go about their lives without the daily need for these.
SPEAK ENGLISH
The answer can vary between many types of drugs and people, so there is no definite answer.
drugs help people to cope with pain and aid in healing their bodies
people oftenly take Drugs ither because there sad about something or other facs
lol taking drugs means you have drugs and having drugs IS a crime... 100% :P
It depends on who's taking it, some people will react differently to different drugs than other people.
By taking too much of what is needed
Drug Addicts
People often use drugs for the altered state of mind they produce. Once they have used the drug then the addiction starts too.
The most common reason is the fact that people are having bad times and or think that taking drugs or smoking tobacco will make their problems magically go away. The truth in my opinion is that taking drugs will only make problems worse in the long term but in short-term it may seem to make your problems stop. (I am not trying to force by any means of the information above all information may be chosen to be believed or not believed.) EDITED FROM****because lots of people get stressed so they take drugs