As a result of serosurveillance for HIV since 1986, the epidemic could be detected at an early stage. Two other north-eastern states of India bordering Myanmar have faced a similar epidemic within a short period of time. Forming part of the area of South-East Asia known as the Golden Triangle, and producing opium and its derivatives, Myanmar shares a long international border with four States of the region, and populations with a common language and culture move freely across borders. One per cent of antenatal mothers tested seropositive by 1991. With a minimum injecting population of 15,000 and seropositivity of over 50 per cent, the infection quickly spread to the population at large. Seroprevalence among intravenous drug users increased from 0 per cent in September 1989 to 50 per cent within six months. Manipur, a north-eastern state of India bordering Myanmar, has experienced very rapid transmission of the human immunodeficiency virus (HIV) among its vast drug-injecting population. This article reviews the effects of drug addiction in details.

It is a great challenge for all nations of the world to prevent drug addiction. Drug addicts are burden for a family and society. Drug addiction affects individual's physical and mental health.

There are a lot of effects of drug addiction to the economy, society, and family. Psychological dependence is the subjective feeling that the user needs the drug to maintain a feeling of well-being physical dependence is characterized by tolerance (the need for increasingly larger doses in order to achieve the initial effect) and withdrawal symptoms when the user is abstinent. Addiction is more often now defined by the continuing, compulsive nature of the drug use despite physical and/or psychological harm to the user and society and includes both licit and illicit drugs, and the term 'substance abuse' is now frequently used because of the broad range of substances (including alcohol and inhalants) that can fit the addictive profile. Drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes.

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