Drug Addiction
Addiction is when you have a strong physical or psychological need or urge to do something or use something. It is a dependence on a substance or activity even if you know that it causes you harm. It can impact your daily life.
Drug addiction, also called substance use disorder, is a disease that affects a person’s brain and behavior and leads to an inability to control the use of a legal or illegal drug or medicine. Substances such as alcohol, marijuana and nicotine.
S.U.D – (Substance use disorder): Substance use disorder (SUD) is a complex condition in which there is uncontrolled use of a substance despite harmful consequences. People with SUD have an intense focus–sometimes called an addiction–on using a certain substance(s) such as alcohol, tobacco, or other psychoactive substances, to the point where their ability to function in day-to-day life becomes impaired. People keep using the substance even when they know it is causing or will cause problems.
Repeated substance use can cause changes in how the brain functions. These changes can last long after the immediate intoxication wears off. Intoxication is the intense pleasure, euphoria, and calm that is caused by the substance; these symptoms are different for each substance. With continued use of a substance, tolerance can develop, where someone may require larger amounts in order to fell these effects. Additionally, discontinuing use can lead to symptoms of withdrawal and intense cravings to return to use, often experienced as anxiety.
People with a substance use disorder may have distorted thinking and behaviors. Changes in the brain’s structure and function are what cause people to have intense cravings, changes in personality, abnormal movements, and other behaviors. Brain imaging studies show changes in the areas of the brain that relate to judgment, decision-making, learning, memory, and behavioral control.
And the substances can be different as per the addicts choice like , any illegal drugs like brown sugar , cocaine , kracck , meth , ecstasy , heroine ,and can be legal prescribed opioids or medicines .
