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Other Effects: <br />* greatly impaired driving ability <br />* reduced coordination and reflex action <br />* impaired vision and judgment <br />* inability to divide attention <br />* lowering of inhibitions <br />* hangover, which can be accompanied by headaches, <br />nausea, dehydration, unclear thinking, unsettled <br />digestion and aching muscles <br />Marijuana, also known as "pot ", "weed ", "grass ", and other street <br />names, alters the user's sense of time and reduces the ability to <br />perform tasks requiring concentration. The drug has a <br />significant effect on judgment, caution, and sensory /motor <br />functions. <br />Marijuana stays in the body for 28 days, unlike alcohol, which <br />dissipates in a few hours. <br />Other Effects: <br />* impaired driving for at least 4 -6 hours after smoking <br />one "joint" <br />* restlessness <br />* inability to concentrate <br />* increased pulse rate and blood pressure <br />* rapidly changing emotions and erratic behavior <br />* altered sense of identity <br />* dulling of attention <br />* hallucinations, fantasies and paranoia <br />* reduction or temporary loss of fertility <br />Cocaine is a stimulant drug which increases heart rate and blood <br />pressure. As a powder, cocaine is inhaled, ingested, or <br />injected. Cocaine is also used as free -base cocaine known as <br />"crack" or "rock ", which is smoked. The crack "high" is reached <br />in 4 -6 seconds and lasts for about 15 minutes. <br />Many people mistakenly believe that, because it is smoked, crack <br />is safer than other forms of cocaine use. It is not. Crack <br />cocaine is one of the most addictive drugs known today. The most <br />dangerous effects of crack are that its use can cause vomiting, <br />rapid heart beat, tremor and convulsions. All of this muscle <br />activity increases the demand for oxygen, which can result in a <br />cocaine - induced heart attack. Since the heat regulating center <br />in the brain is also disrupted, dangerously high body <br />temperatures can occur. With high doses, brain functioning, <br />breathing, and heart beat are depressed, which can lead to death. <br />-9- <br />Page 61 <br />