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Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
An issue with this theory is that most addictive drugs cause an individual to build up a tolerance and the effects of the drug will decrease as an individual's tolerance increases. This requires individuals to use a higher dosage of the substance which in many causes can cause adverse side effects. [34] Dopamine is correlated with increased ...
These factors are: the chemical makeup of the drug, the effects on the brain, and the age, vulnerability, and the health (mental and physical) of the population being studied. [166] There are a few drugs with a specific chemical makeup that leads to a high abuse liability.
Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.
The drugs used are often associated with levels of substance intoxication that alter judgment, perception, attention and physical control, not related with medical effects. It is often thought that the main used substances are illegal drugs and alcohol; however it is becoming more common that prescription drugs and tobacco are a prevalent ...
It's no secret that heroin, of the opioid drug family, is a dangerous epidemic in the United States. The number of U.S. deaths from heroin per year has spiked from roughly 3,000 in 2008 to roughly ...
Heroin, also known as diacetylmorphine and diamorphine among other names, [1] is a morphinan opioid substance synthesized from the dried latex of the opium poppy; it is mainly used as a recreational drug for its euphoric effects. Heroin is used medically in several countries to relieve pain, such as during childbirth or a heart attack, as well ...
The heroin and opioid abuse epidemic is hitting America hard with heroin use more than doubling in the past decade among young adults, according to the CDC.While the dire statistics tell the ...