| The purpose of using drugs is to relieve symptoms, treat infection, reduce the risk of future disease, and destroy selected cells such as in the chemotherapeutic treatment of cancer. The best treatment, however, may not require a drug at all. Recognizing that no effective medication exists is just as important as knowing which one to select. |
| The transdermal application of drugs provides an alternate method for applying drugs to achieve a systemic, rather than local, effect. The administration of a drug through the skin not only minimizes the metabolism of the drug before it reaches the rest of the body but also eliminates the high and low blood levels associated with oral... |
| Study of the factors that influence the movement of drugs throughout the body is called pharmacokinetics, which includes the absorption, distribution, localization in tissues, biotransformation, and excretion of drugs. The study of the actions of the drugs and their effects is called pharmacodynamics. Before a drug can be effective, it must be... |
| Young people seem to find great solace in the fact that the "establishment" is a drug user. One cannot deny that many countries today are drug-oriented societies, but the implications of drug use are not necessarily the same for the as they are for the adolescent. The has already acquired some sense of identity... |
| the excessive, maladaptive, or addictive use of drugs for nonmedical purposes despite social, psychological, and physical problems that may arise from such use. Abused substances include such agents as anabolic steroids, which are used by some athletes to accelerate muscular development and increase strength and which can cause heart disease... |
