Chemical Substances On Living Organisms

1667 Words Mar 16th, 2015 7 Pages
INTRO Pharmaceutical science What this topic is about is pharmaceutical sciences. Pharmaceutical sciences combine a broad range of scientific rules that are critical to the discovery and development of new therapies and drugs, and so in that saying, knowing this kind of information can help people around the world greatly in the future. It is now accepted worldwide, that before a drug is brought into routine use its efficacy, safety, and the balance between two (sometimes the “risk-to-benefit ratio’) need to be formally demonstrated. The efficacy of new drugs nowadays is almost invariably established with a technique known as ‘randomized controlled trial’. Pharmacology is the scientific study of the effects of chemical substances on living systems. The chemicals which pharmacologists investigate include normal parts of the body, compounds extracted from other plants or animals, and as well as substances arranged by chemists. Toxicology is the study of the unfortunate effects of chemicals on living organisms. It is the study of symptoms, mechanisms, treatments, and detection of poisoning. Especially the poisoning of people. Pharmacodynamics is the study of how a drug reacts on a living organism. Pharmacodynamics with pharmacokinetics helps explain the relationship between the dose and response. (Drug’s effects) The response depends on the drug binding to its target. The concentration of the drug receptor site influences the drug’s effect. A drug’s…
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