Addiction and Negative Effects of Drug Abuse on Human Body

One of the most menacing factors that our society faces today is the problem of substance abuse and addiction. The addiction can take place in different forms in forms of alcohol addiction, smoking addiction, drug addiction, or addiction to some form of food or chemical substance that can cause harm to the overall health of the individual when done in unhealthy limits. Drug addiction is one of the most menacing addiction issues that is causing difficulties for the individuals affected by it and to society as a whole.

Drugs are chemical agents, either natural or synthetic, which are consumed by individuals either by sniffing, smoking, ingesting, or injecting into the bloodstream. There are many kinds of drugs that are abused by youth but the most popular ones are cocaine, heroin, meth, LSD, brown sugar, cannabis, mushrooms, etc. They are mostly consumed by individuals for a sense of relief and a temporary feeling of lightness and joy stimulating the rush of pleasure hormones in the body. Such a sudden rush into the bloodstream causes a sense of joy, which is referred to as “high”. When one gets addicted to that feeling of high, they become a drug addict. Such addictive behaviors have serious consequences on the health of the individual.

Some health effects include

  • Increased risks of infections and illness
  • Abnormal heart rate and increased risk of heart attacks
  • Loss of appetite and sudden weight loss
  • Major damage to the liver or increased chances of liver failure
  • Increased risks of strokes and seizures.
  • Increased chances of Alzheimer’s and schizophrenia.
  • Disease and damage to the lungs
  • Increased memory span problems, attention span, and making vital decisions, which increases difficulties in life.
  • Several imbalances in the body related to endocrine and circulatory system causing hormonal imbalance high blood pressure and diabetes.

Drug Addiction and its effects on nervous system

Every types of drugs whether they are nicotine, heroin, cocaine, ecstasy, cannabis, and others heavily affects the brain’s circuit, that is a part of limbic organization. This part of  brain controls mood and instinct. Drugs focus on this part, which produces a large amount of dopamine which is a chemical of the brain that regulates the emotions and pleasurable feelings to fill the brain. The rush of dopamine causes the feeling of utmost pleasure or “high.” It is one major reason why people get into the problem of addiction.

Though in early stages, drug use can happen by will, drugs can change the chemistry of the brain. This can cause changes in brain functions and disrupts the person’s judgments to make important decisions. It can cause very intense desires for more drugs and fuel compulsive drug abuse. with time, this chain of behavior can develop into a strong dependence on a substance or drug addiction. Drugs can have numerous influences on brain and disrupt the brain’s functioning paths. These can change behavior, mood, character, and other important cognitive functions.

Damage to the brain can be induced through drug-induced nutritional shortfalls. In conceiving women, drug addiction can hamper the nervous system of the fetus, resulting in developmental disorders.

It has been found that brain problems due to drug addiction can be cured with treatment. Strong will to stay away from drugs can help greatly in effectively curbing drug abuse and drug addiction problems. Regular therapy and rehabilitation treatment can help an individual in fighting with this demon of drug abuse.

Effects of drug addiction on behaviors of individuals

Drug abuse can cause both long-term and short-term effect on a person’s behavior, some of which may cause mental disorders like-

  • Paranoia- a sense of distrust towards other individuals and can drive someone into harming oneself or the other.
  • Increased aggressiveness- An increased sense of anger or a rush of bad mood that causes someone to become extremely destructive and inflict harm upon oneself or the others.
  • Hallucinations – A sense of feeling something or someone through sight, hearing, taste, smell or touch which is actually not there
  • Obsessive-compulsive disorders- Too deep thoughts that can lead to unreasonable and repetitive behaviors characterized by complete compulsion.
  • Impaired judgments- A person showing this condition will take very irrational and silly decisions that don’t have any logical and reasonable basis causing them to fall further into the trap of darkness
  • Impulsiveness- a person relying on too much of irrational emotions and acting upon it are called impulsive people, and such behavior is impulsiveness
  • Loss of self-control- drug addiction makes an individual completely addicted to it and therefore these people can’t control themselves over going for more and more sensations of “high”.


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