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Effects of Drugs Misuse on the Human Anatomy and Physiology - Coursework Example

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The human body is made up of another of body systems all of which work in coordination to keep an individual alive. Any alteration of any part of the body system in terms of how it functions could lead to disastrous consequences and even death…
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Effects of Drugs Misuse on the Human Anatomy and Physiology
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Download file to see previous pages Many of the abused drugs have specific effects on the human body and thus may alter body systems and cause unwanted behaviours in individuals, some of which not only affect the individual but the entire society as the individual interacts with others. It is therefore important that drug and substance abuse is checked or stopped in order that individuals can leave a normal and healthy life. Drug Misuse Kolander and Wilson define drug misuse as the harmful consumption of drugs that is not chronic as is the case for drug abuse but rather an isolated episode (10). Good examples of drug misuse include taking more than the recommended dosage of an over the counter drug, drinking alcohol to excess only on a given occasion and mistakenly taking the wrong medication. Whereas drug abuse can lead to drug addiction, drug misuse may not lead to drug addiction but in cases of continuous period intake of such drugs the affinity for the drug or substance may grow eventually leading to drug addiction. Drug addiction is the uncontrolled compulsion to use a drug despite the physical, emotional, or social problems that are eminent in the use of such a drug (Edilfield and Moosa 10). Drug misuse can lead to physical dependence on the drug if there has been a periodic but constant consumption of the drug or substance in question. Physical dependence is tolerance to a drug and the avoidance of the withdrawal symptoms that occur when the consumption is ended and intoxication wanes. Tolerance occurs when the dug fails to cause the usual effect or the need for a higher dose to bring about the desired effect. Drug misuse can also cause psychological dependence which occurs when the drug’s properties reinforce certain behaviours and emotions of the user. Not all the misused drugs can cause dependence or addiction for that matter (SIoboda and Bukoski 45). Some may cause physical but not psychological dependence depending on the drug properties. The problem with drug misuse is the immediate fatal consequences that come with them. This is true especially in cases where an individual takes a drug without the right prescription. The individual may take the dosage in excess and this may even cause death (Kolander and Richard 50). Various categories of drugs and their effects on the body There are many drugs that are abused or misused. The drugs and substances fall in three categories: (a) Depressants which include drugs like heroine and barbiturates; (b) stimulants which include drugs such as Cocaine, crack and amphetamines; and (c) hallucinogens for example marijuana. These drugs are ingested, inhaled, smoked, injected or snorted. Some of the common misused substances include alcohol, over the counter drugs among others (Kolander and Richard 40). Depressants are sedatives that have an effect on the body’s nervous system. Depressants affect the brain such that they slow down the normal brain functioning. They work on the brain such that they affect the neurotransmitter gamma-amniobutyric acid (Kolander and Richard 22). The neuro-transmitters are chemicals that are found in the brain and which facilitate the communication between brain cells. GABA functions by producing a drowsy effect. These drugs are misused because of the fact that they slow down the brain activity and treat anxiety and sleep disorders. When people take them they are able to sleep or calm down. This has led to their widespread use and some of them are now ...Download file to see next pagesRead More
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