WHAT IS DRUGS??

A drug, broadly speaking, is any substance that, when absorbed into the body of a living organism, alters normal bodily function. There is no single, precise definition, as there are different meanings in drug control law, government regulations, medicine, and colloquial usage.In pharmacology, a drug is "a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being."

Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.Recreational drugs are chemical substances that affect the central nervous system, such as opioids or hallucinogens. They may be used for perceived beneficial effects on perception, consciousness, personality, and behavior. Some drugs can cause addiction and habituation.

Drugs are usually distinguished from endogenous biochemicals by being introduced from outside the organism.[citation needed] For example, insulin is a hormone that is synthesized in the body; it is called a hormone when it is synthesized by the pancreas inside the body, but if it is introduced into the body from outside, it is called a drug.

Many natural substances such as beers, wines, and some mushrooms, blur the line between food and drugs, as when ingested they affect the functioning of both mind and body.

Reference : Wikipedia

What is Drug Addiction?

According to the latest evidence from human and animal studies (yes, even animals can become addicted to drugs), addiction is a chronic disease, just like diabetes or hypertension.

As in other chronic diseases, it too occurs in vulnerable individuals who have been exposed to risks of getting the disease. In diabetes, individuals who are overweight, don’t exercise and have family members with diabetes are more likely to contract it. In addiction, those who abuse addictive substances have a high likelihood of becoming addicted to them.

What surprises laypeople and medical personnel alike is the lack of insight addicts have into their own behaviour. They are in a constant state of denial of how miserable addiction is making their life.

Refrence : Malaysian Psychiatric Association