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was for a long time? a drug in search of a disease. Nothing much was done with the drug? from its discovery (synthesis) until the late 1920's? when it was investigated as a cure or treatment against a variety of illnesses and maladies (Cvla...
the most powerfully addictive drugs. Stimulants are substances that stimulate the activity of the central nervous system. Stimulants are often referred to as "uppers" because they increase or speed up mental and physical processes in the bo...
effects caused by amphetamine greatly resemble those produced by cocaine. Amphetamines are drugs addictive, capable of creating dependency. Amphetamines cause a burst of energy in man. Exposure to amphetamine seen in voznikonovenii sense of...
Hydrological Department’s (HD’s) extensive effort in unsaturated zone hydrology and coupled processes is stimulated by the need to understand flow and transport in the unsaturated zone at Yucca Mountain, Nevada, the site of the proposed nu...
the American Heart Association's Scientific Sessions 2005. "As a culture, we say we value physical activity and healthy eating, but in reality we're all about convenience and convenience foods because we have such busy schedules," said stud...
one silicon atom and two oxygen atoms (SiO2). It has a melting point of 1,600°C and is a colorless, odorless, and noncombustible solid [American Conference of Governmental Industrial Hygienists (ACGIH) 2001]. Crystalline silica is formed w...
dust hazard work are improved from their predecessors in several ways. Most homeowners immediately think of smoke detectors and fire extinguishers. (Burke, 2007) But while smoke detectors are excellent warning devices, about one-third of th...