A Drug is any chemical substance which when taken alters the moods, perception and behavior. Drug addiction refers to the physiological dependency on drugs and the person experiences withdrawal symptoms like fever, shivering, nausea, insomnia etc, Drug dependency is the dependence a person develops on the drugs, this dependency is not only a physiological dependence but also psychological dependence. When a person gets dependent on a drug, they get a craving for it, and if the person is unable to fulfill this craving, he/she becomes angry, frustrated or depressed. buy ketamine liquid online
Drug abuse denotes an excessive use of drugs which is likely to produce a habit and an intensive desire to consume more drugs. It may lead to drug dependency. Drug tolerance means that the person has reached a threshold, and the level of drug intake has gone high and the person requires more and more quantity of drug to get the feeling of euphoria.
It is interesting to know that the usage of drugs is not a new phenomenon. In the prehistoric times drugs were made from extracts of leaves and were used to relieve body aches and pains.
Drugs can be classified into four types:
Narcotic: It can be of different types, to begin with there are opium which are seeds that are collected from coffee seeds. Then there is morphine which is present in opium, initially it was used in medication as a pain killer in injuries or diseases like cancer but it resulted in drowsiness and excessive sleepiness. In order to reduce this effect, through a chemical process the two properties of painkiller and sedative ness were separated. This separation of the properties of morphine caused a disaster in medical science. The strong sedative property of morphine is heroin, which is highly addictive and produces drug dependence. Brown sugar is a unadulterated, unrefined form of heroin, it is usually mixed with class power etc, due to this it is cheep.
Stimulants: Stimulants are used to activate or stimulate the nervous system. It helps a person reach a stage of charged energy; hence it is commonly used by sports persons. Some stimulants are caffeine, cocaine, steroids, etc.