Drugs: use, abuse and misuse

A DRUG- is a substance which may have medicinal, intoxicating, performance enhancing or other effects when taken or put into a human body.
DRUG USE – may refer to any use of drugs or using it for the right purpose.
DRUG ABUSE – using a drug all the time and overdosing although it harms the body.
DRUG MISUSE – using a drug and not knowing the proper use for it.

COCAINE (benzoylmethylecgonine) - is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant. The name comes from "coca" and the alkaloid suffix -ine, forming cocaine. It is a stimulant, an appetite suppressant, and a topical anesthetic. It is illegal to possess, produce, or distribute cocaine for non-medicinal and non-government-sanctioned purposes in almost every country.
                                                                     

MARIJUANA - Cannabis, also known as marijuana (from the Mexican Spanish marihuana), and by other names, is a preparation of the Cannabis plant intended for use as a psychoactive drug and as medicine. Pharmacologically, the principal psychoactive constituent of cannabis is tetrahydrocannabinol (THC); it is one of 483 known compounds in the plant, including at least 84 other cannabinoids, such as cannabidiol (CBD), cannabinol (CBN), tetrahydrocannabivarin (THCV) and cannabigerol (CBG).
                                                                     

NICOTINE -is a potent Para sympathomimetic alkaloid found in the nightshade family of plants (Solanaceae). It acts as a nicotinic acetylcholine receptor agonist. It is made in the roots and accumulates in the leaves of the plants. It constitutes approximately 0.6–3.0% of the dry weight of tobacco and is present in the range of 2–7 kg of various edible plants.
                                                             
CAFFEINE – is a stimulating substance found in coffee. It comes from the coffee bean.
                                                   

AMPHETAMINE...