Has any one ever wondered what the effects of marijuana are on the heart, lungs, or the brain or some immediate effects? Well the reason I am here today is to tell you some facts about it.
One study found that an abuser’s risk of heart attack more than quadruples in the first hour after smoking marijuana. The researchers suggest that such an outcome might occur from marijuana’s effects on blood pressure and heart rate and reduced oxygen-carrying capacity of blood. Within a few minutes after smoking marijuana, the heart begins beating more rapidly and the blood pressure drops. Marijuana can cause the heart beat to increase by 20 to 50 beats per minute, and can increase even more if other drugs are used at the same time. Because of the lower blood pressure and higher heart rate, researchers found that users' risk for a heart attack is four times higher within the first hour after smoking marijuana.
Numerous studies have shown marijuana smoke to contain carcinogens(chemicals that cause cancer) and to be an irritant to the lungs. In fact, marijuana smoke contains 50 to 70 percent more carcinogenic hydrocarbons than tobacco smoke. Marijuana users usually inhale more deeply and hold their breath longer than tobacco smokers do, which further increases the lungs exposure to carcinogenic smoke. Marijuana smokers show deregulated growth of cells in their lung tissue, which could lead to cancer. A recent case-controlled study found no positive associations between marijuana use and lung, upper respiratory, or upper digestive tract cancers. The link between marijuana smoking and these cancers remains unproven at this time. Marijuana smokers can have many of the same respiratory problems as tobacco smokers, such as daily cough and phlegm production, more frequent acute chest illness, a heightened risk of lung infections, and a greater tendency toward obstructed airways. A study of 450 individuals found that people who smoke marijuana frequently but do not smoke tobacco...