At what age do people start to do drugs?
Definition of drugs can be anything from legal prescription medically prescribed to illegal drugs. So drugs are used as medications on babies from birth - that's when drug use starts
Rephrase your question to ask about illegal drugs for another answer
It has varied , from age 2 (illegally encouraged marijuana inhalation by a family member, which then becomes habitual, for instance) all the way to first time experimentation with drugs in one's 80s. However, the average age of illegal drug use/experimentation is somewhere in the teens, although a majority of teens do not use any illegal drugs.