Psychoactive Drugs

1914 WordsDec 4, 20108 Pages
Psychoactive Drugs are chemical substances that alter behavior, mood, perception, or mental functioning. Through the consumption of substances many cultures have found ways to alter consciousness. Psychoactive substances apply their effects by transforming biochemical or physiological processes in the brain. The message system of nerve cells, or neurons, relies on both electrical and chemical transmission. Neurons rarely touch each other; there is a microscopic gap between one neuron and the next, called the synapse. When a neuron fires, it releases chemicals called neurotransmitters into the synapse. Psychoactive drugs act by altering neurotransmitter function, they bind to the site of the firing neuron and inhibit this process so the…show more content…
People who take these drugs are also faced who psychological effects such as a sense of distance and estrangement, depression, anxiety, and paranoia, violent behavior, confusion, suspicion, and loss of control, plus flashbacks, and behavior similar to schizophrenic psychosis, in addition to catatonic syndrome which is when a user becomes mute, lethargic, disoriented or makes meaningless repetitive movements. When taken in low quantities, marijuana, which is scientifically known as cannabis, becomes a depressant drug, which slows down the body’s systems. In the early 19th century the use of ‘dope’ spread to Europe from the Middle East and China, and by the middle of the century onto America. In 1937, cannabis was made illegal to possess and sell in the U.S. it has still being used as a popular recreational substance by some people. However, in some places it is still legal to smoke marijuana for medical purposes, because it suppresses nausea caused by chemotherapy, and possibly reduces eye pressure in severe cases of glaucoma. Pupils may become dilated, heart rate and blood pressure may increase, or a sense of well-being and relaxation all can occur, there are many more side effects that may transpire if LSD is taken. Morphine is the most effective painkiller. Morphine is what is left in the unripe seedpods of the opium poppy after the milky juice has been extracted. Morphine doesn’t diminish pain but changes the way a
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