Survival of the fittest has always been the dictating law in nature. This has meant that those animals that were sick or maimed would eventually die out as they were less prepared to face those challenges that were presented to them in the wild. Following this principle, animals have evolved to be...
Withdrawal symptoms are most severe in the first 24-48 hours after last use and include lower heart rate and blood pressure, difficulty maintaining attention, aggressiveness, insomnia, tremors, hunger, headaches, drowsiness, fatigue, and anxiety. ... Research indicates that although THC (the psychoactive agents in marijuana) may be found in the blood of some automobile drivers in accidents, also found are high levels of alcohol (Cloud 62 ), making in part, these results inconclusive as to the actual cause. ... Heart rate and blood pressure also raise as high as those who are un...
Definition The use of illicit or illegal drugs or the abuse of prescription or over-the-counter drugs for purposes other than those for which they are indicated or in a manner or in quantities other than directed. History of Drug Abuse Humans have used drugs of one sort or another for thousands of years. Wine was used at least from the time of the early Egyptians; narcotics from 4000 B.C.; and medicinal use of marijuana has been dated to 2737 B.C. in China. But not until the 19th cent. A.D. were the active substances in drugs extracted. ...
