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“The brain changes, and it doesn’t recover when you just stop the drug because the brain has been actually changed,” Kreek explained. “The brain may get OK with time in some persons. But it’s hard to find a person who has completely normal brain function after a long cycle of opiate addiction, not without specific medication treatment.”
Memory lapses can be both aggravating and frustrating but they are due to the overwhelming number of information that is being taken in by the brain. Issues in memory can also be linked to several common physical and psychological causes, such as: anxiety, dehydration, depression, infections, medication side effects, poor nutrition, vitamin B12 ...
Some of the symptoms that could possibly occur as a result of a withdrawal from benzodiazepines after long-term use include emotional clouding, [1] flu-like symptoms, [5] suicide, [11] nausea, headaches, dizziness, irritability, lethargy, sleep problems, memory impairment, personality changes, aggression, depression, social deterioration as ...
The latter reflects physical dependence in which the body adapts to the drug, requiring more of it to achieve a certain effect (tolerance) [25] and eliciting drug-specific physical or mental symptoms if drug use is abruptly ceased (withdrawal). Physical dependence can happen with the chronic use of many drugs—including even appropriate ...
addictive drug – psychoactive substances that with repeated use are associated with significantly higher rates of substance use disorders, due in large part to the drug's effect on brain reward systems; dependence – an adaptive state associated with a withdrawal syndrome upon cessation of repeated exposure to a stimulus (e.g., drug intake)
Addiction is a brain disorder characterized by compulsive drug use despite adverse consequences. [36] [57] [58] [59] Addiction involves the overstimulation of the brain's mesocorticolimbic reward circuit (reward system), essential for motivating behaviors linked to survival and reproductive fitness, like seeking food and sex. [60]
The specific interaction between drugs and their receptors is referred to as "drug action", and the widespread changes in physiological or psychological function is referred to as "drug effect". [2] These drugs may originate from natural sources such as plants and animals, or from artificial sources such as chemical synthesis in the laboratory.
Of these, 27 million have high-risk drug use—otherwise known as recurrent drug use—causing harm to their health, causing psychological problems, and or causing social problems that put them at risk of those dangers. [2] [3] In 2015, substance use disorders resulted in 307,400 deaths, up from 165,000 deaths in 1990.