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The Affects Of Drugs and Alcohol

Drug and alcohol abuse has been linked to a variety of mental and emotional health disorders. This is because drugs and alcohol can cause temporary or permanent damage to the areas of the brain that are responsible for our emotional and psychological well-being.


Short-Term Effects of Alcohol & Drug Abuse


The short-term effects of alcohol and drugs may vary from case to case, but a few of the common symptoms include:

  • Disinhibition, possibly leading to violence, sexual acting out, and other non-typical behavior

  • Mood swings

  • Difficulty concentrating

  • Impaired judgment

  • Trouble with motor coordination

  • Hangover after binges

  • Delayed reactions

  • Memory lapses or blackouts

  • Stupor

  • Coma


Long-Term Effects of Alcohol & Drug Abuse


Conditions that have been linked to long-term drug and alcohol abuse include tolerance, where the brain becomes accustomed to substance use and more and more of the drug or alcohol is required to get the same “buzz”. Other long-term effects of alcohol and drugs may include paranoia, hallucinations, depression, anxiety, obsessive-compulsive disorder, and physical effects like yellowing of the eyes, jaundice, and gastritis of the stomach. Longer term alcohol abuse can also lead to a condition where veins in the esophagus can ulcerate, leading to death from bleeding out into the stomach.

Prolonged substance abuse can cause the brain’s circuitry to deteriorate, resulting in loss of memory, increased risk of heart attacks and strokes, and decreased learning capability. Long-term methamphetamine abuse is known to cause psychosis in some users. There are many harmful, sometimes irreversible, effects of substance abuse on the brain.


Alcohol


Long-term alcohol abuse can lead to irreversible brain damage. Prolonged liver dysfunction as a result of chronic alcohol abuse can damage the brain and contribute to a potentially life-threatening brain disorder called hepatic encephalopathy. This disorder is known to cause changes in sleep patterns, mood and personality, have psychiatric implications like developing depression and anxiety, cognitive effects like shortened attention span, and problems with coordination. Alcohol abusers are increasingly more likely to suffer from major depressive disorder than those who do not drink.

Alcohol interferes with the body’s ability to absorb thiamine, contributing to deficiency. As described in an article from the National Institute on Alcohol Abuse and Alcoholism, this thiamine deficiency can result in brain injury that includes a combination of Wernicke’s encephalopathy and Korsakoff’s psychosis. This debilitating and potentially deadly neurological condition causes mental confusion and nerve paralysis, as well as an inability to coordinate muscle movement. The thiamine deficiency can also cause brain cell damage that leads to incapacitating dementia.

Over time, the dopamine receptor cells in the brain can be damaged or even die, as described in a study from the European Journal of Pharmacology. The result of this brain damage is a condition called anhedonia, which is a diminished ability, or lack of ability to feel pleasure if the drug is not being used. This is the result of actual cell death, and the lack of ability to feel pleasure can last long after use of the drug is stopped. This can then lead to deep depression, including suicidal thoughts and self-destructive actions. However, with continued abstinence from the substance and treatment, dopamine receptors and capabilities can repair and return to some function. One of the most effective ways to aid this recovery process is with an inpatient alcohol rehab center.


Marijuana and Psychosis


The development of psychosis has been noted in some people who use marijuana regularly; however, how this happens is not fully understood. Through some research, speculation has risen that this may only occur in people who already have a predisposition toward schizophrenia or similar conditions.

Other studies have demonstrated a potential lack of damage to the brain due to cannabis use. However, this may not be the whole story. A study discussed by the Schizophrenia Research Institute has found that the hippocampus and amygdala can experience reduction in size due to long-term marijuana use. These two parts of the brain are implicated in schizophrenia.


Effects of Opioids


Depressants like opioids cause suppression of breathing, which in turn can result in decreased blood oxygen concentrations and even death. As explained by the National Library of Medicine, lack of oxygen to the brain can result in brain cell death, and quickly lead to coma. Hypoxia is often an acute condition brought on by opioid overdose, but it can also accumulate over years of abuse of these drugs, causing slow-developing damage over time.

Depending on the type of damage, it may be possible to begin to reverse the damage caused by drug or alcohol abuse. By reintroducing missing nutrients and promoting reestablishment of chemical neural pathways in the brain, early-stage damage can be reversed or somewhat repaired. However, in cases of extensive damage or cell death, reversal may not be possible.


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