BY FUNCLUBINNOVATIONS
a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
drug is any substance (other than food that provides nutritional support) that, when inhaled, injected, smoked, consumed, absorbed via a patch on the skin, or dissolved under the tongue causes a temporary physiological (and often psychological) change in the body.
In pharmacology, a drug is a chemical substance of known structure, other than a nutrient of an essential dietary ingredient, which, when administered to a living organism, produces a biological effect. A pharmaceutical drug, also called a medication or medicine, is a chemical substance used to treat, cure, prevent, or diagnose a disease or to promote well-being. Traditionally drugs were obtained through extraction from medicinal plants, but more recently also by organic synthesis. Pharmaceutical drugs may be used for a limited duration, or on a regular basis for chronic disorders.
Pharmaceutical drugs are often classified into drug classes—groups of related drugs that have similar chemical structures, the same mechanism of action (binding to the same biological target), a related mode of action, and that are used to treat the same disease The Anatomical Therapeutic Chemical Classification System (ATC), the most widely used drug classification system, assigns drugs a unique ATC code, which is an alphanumeric code that assigns it to specific drug classes within the ATC system. Another major classification system is the Biopharmaceutics Classification System. This classifies drugs according to their solubility and permeability or absorption properties
Effects Of Drugs
Short-term effects of drugs on mental health. All psychoactive drugs may cause mental health problems while you are taking them and as you clear the drug from your body. These can include anxiety, mood swings, depression, sleep problems and psychosis.
Effect of drugs on human body
While some of the effects of severe methamphetamine abuse may be cosmetic and can be reversed, what the drug does inside the body is much less forgiving. The extreme stress on blood vessels increases the risk of stroke, which can cause permanent brain damage or death.
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