How Do Stimulants Affect The Body

A drug is a substance which has a discernible physiological effect when taken into the body. These chemicals change the functions of the central nervous system (CNS), providing temporary relief from mental, physical and social problems. Usage of a drug over a period of time often results in dependence and tolerance of the drug. The user experiences physical and psychological withdrawal symptoms when attempts are made to quit the drug. Tolerance refers to the increased ability of the body to tolerate the drug without ill effects. Due to drugs having the capacity to enhance performance, they are often used recreationally and abused. This leads to addiction which can potentially destroy lives. Drugs which alter behavior could be categorized as
In other words, they increase the activity of the brain resulting in increased alertness physical activity, productivity, endurance and motivation. Stimulants include amphetamines, called ‘uppers’, cocaine and nicotine. Users usually find relaxation and rest impossible and tend to have no appetite. Moreover, side effects may include muscle spasms, chest pain, nausea, and blurred vision due to an overworked heart and the subsequent high blood pressure. During World War II, stimulants were extensively used by soldiers to maintain alertness. By then, various forms of the drug were readily available such as methamphetamine. Today however, due to its side effects and addictive properties, possession and usage have been made illegal and doctor prescriptions have been significantly
Depressants are described as psychoactive drugs that slow down one’s Central Nervous System (CNS), thus they are referred to as “downers”. These types of drugs are used as prescribed medication as well as illicit substances and can be dangerous. Depressants include alcohol, barbiturates and tranquillizers. Barbiturates and benzodiazepines are the two major categories of depressants used as medicine. Benzodiazepines that are commonly used such as Diazepam (Valium) and Chlordiazepoxide (Librium) were developed as a safe alternative to barbiturates to treat insomnia and anxiety but are now a major category of abused drugs. The prolonged use of these drugs can result in tolerance. In addition, the sudden withdrawal from these drugs by habitual users may result in physical withdrawal symptoms such as insomnia, nausea, headaches, weakness and blood pressure drops. This may consequently lead to a coma and or