... is not considered excessive for people in good health, among those with heart disease, such a rise in heart rate could be fatal. In such cases, marijuana smokers with unidentified heart disease may be vulnerable, especially during the first hour after smoking, to an increased risk of heart attack. In a 2000 report from the American Heart Association (AHA), researchers questioned 3,882 middle-aged and elderly patients who ... admitted to being current marijuana users, 37 had used the drug in the twenty-four hours preceding their heart attacks, and 9 had used it in the hour before. The AH...

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... they are. They defend their position through their argument that marijuana use causes unnecessary health risks such as impairing short-term memory, slowing down reaction time, increasing the risk of heart attack, and potentially causing damage to the respiratory system and brain (Marijuana Side Effects). For example, according to the National Institute on Drug Abuse, marijuana-use can raise an individual ... by 20 to 100 percent shortly after smoking. Additionally, the NIDA (National Institute on Drug Abuse) states how an individual's risk of having a heart attack increases by 4.8-fold af...

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... as long as 4 hours. Smoking marijuana deposits several times more THC into the blood than does eating or drinking the drug. 5 Within a few minutes after inhaling marijuana smoke, an individual's heart begins beating more rapidly, the bronchial passages relax and become enlarged, and blood vessels in the eyes expand, making the eyes look red. As THC enters the brain, it causes ... to fight off infectious diseases and cancer.4 One study has indicated that a person's risk of heart attack during the first hour after smoking marijuana is four times his or her usual risk. The researchers sugg...

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... people who report serious cannabis allergies which cause unexpectedly intense reactions, throat & lung irritation, etc. Because cannabis increases heart rate, it could potentially increase risks of heart problems in those at risk of heart disease. One study found that cannabis use increased the risk of heart attack in men over 40, but its findings were weak and based on a very small number of individuals. In ... legalize marijuana. First of all the effects it has on your body can be harsh in the end, often exaggerated, the effects are still there. Smoking can lead to addiction, heart pr...

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... for cocaine, including coke, C, toot, flake, and snow. cocaine Section: Effects and Addictive Nature Related: Pharmaceuticals Cocaine blocks pain sensation and stimulates the central nervous system , producing a sudden increase in heart rate, temperature, and blood pressure. In the brain, it blocks the synaptic reabsorption of certain neurotransmitters (in particular dopamine ). The resultant buildup of neurotransmitters causes pleasurable sensations to be passed ... androstenedione, which converts to testosterone in the body, is available in drugstores without a prescription. Abuse of ...

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• Grade Level: Undergraduate