Stimulating: Drug Dependency

 Stimulant: Drug Addiction Essay

Stimulating,  any of a group of drugs that excite the central nervous system, enhance alertness, and alleviate fatigue. Caffeine is perhaps the most socially acceptable and commonly used stimulating. Other stimulants include crack and amphetamines, which make intense emotions of zest (well-being). Amphetamines, commonly known as pep pills or diet pills, also decrease appetite. Stimulants work by mimicking the fight-or-flight response, in which the hormone epinephrine (also known as adrenaline), is produced during demanding situations to generate an increased heart rate and improved blood flow towards the muscles. Stimulant medications produce a identical, but typically more powerful, response by elevating levels of the neurotransmitters dopamine and norepinephrine in the brain. Stimulants also appear to act on the limbic program, a group of cellular structures in the center of the brain that reward behaviours beneficial to the continuation of the species. These behaviors—sexual intercourse, eating, and drinking—are normally accompanied by confident sensations, which may primarily result from increased degrees of dopamine in the limbic program. Stimulants create an even more powerful, euphoric sensation by straight increasing dopamine levels in the limbic program. The appetite-suppressing effect of amphetamines is also thought to derive from the manipulation with this brain praise system: The brain no longer needs food to elevate dopamine amounts because the medication has already caused both this elevation plus the desired zest. For similar reasons, libido is often decreased in hefty users of stimulants just like cocaine and amphetamine. To achieve these potent feelings of well-being, a lot of stimulants bring recreational purposes—that is, they are used to produce pleasurable results rather than intended for medicinal purposes under a healthcare provider's supervision. However the recreational use of stimulants is dangerous because the drugs may both motivate erratic habit and create unpleasant revulsion symptoms. When the stimulant is usually eliminated by the body, dopamine levels inside the brain land, producing drug craving, despression symptoms, and anxiousness. In some cases prolonged use makes a tolerance for the medicine, requiring bigger and larger dosages to produce a comparable effect. And in many situations stimulants are highly addictive (see Drug Dependence). | | II. | TYPES OF STIMULANTS

Cocaine and amphetamines produce tightly related neurological effects including excitement, alertness, euphoria, a sense of increased strength, and reduced appetite. Both cocaine and an amphetamine derivative named methamphetamine, typically referred to as speed, can be found in forms which have been particularly strong when smoked. They are also highly addictive. Crack is sometimes employed clinically like a local anesthetic, and amphetamines are commonly prescribed to treat hyperactivity in children, and narcolepsy. Amphetamines had been once approved as diet pills, but this kind of practice is now discouraged due to negative side results and the prospect of abuse. Smoking,  a highly addictive stimulating found in smoking cigarettes, also straight affects dopamine release in the limbic system. The drug, which is quickly absorbed in the bloodstream from the lungs the moment smoked, causes muscle rest, increased heartrate, and release of epinephrine. Withdrawal symptoms include anxiety, anger, uneasyness, and sleeping disorders. The basic systems involved in pure nicotine addiction are nearly identical to those of cocaine and amphetamine dependency. Caffeine,  found in coffee, tea, soda drinks, and chocolate, is a highly well-known stimulant. Caffeine produces increased mental alertness and decreased fatigue, and increases the heart rate slightly. Caffeine is relatively nontoxic, but evidently has addicting potential. Disengagement symptoms in heavy users can include extreme headache, tiredness, and trouble concentrating. Overuse can lead to sleeplessness, gastrointestinal disturbances, and hypertonie. Microsoft ® Encarta ® 2009. © 1993-2008...


 The Illiad Play Composition

The Illiad Play Composition

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