Lecture on Drugs

Prime purpose of this lecture is to present on Lecture on Drugs. Humans have used drugs of one sort or another for thousands of years – wine was used at least from the time of the early Egyptians; narcotics from 4000 BC and medicinal use of marijuana has been dated to 2737BC in China. Here also briefly describe on  types of Drugs-Stimulants: Drugs that act on the central nervous system and increase brain activity. Some give feelings of alertness, greater energy and confidence. They may also reduce appetite.