The only predictive relationship is between adult and child smoking rates, and since we do not expect children to cause their parents to smoke, we conclude states with higher rates of adult use cause higher rates of youth use
Now onto our junior class to see what they are up to
Within 20 minutes of quitting smoking: Your blood pressure and pulse start to return to normal levels, reducing strain on your heart and blood vessels Within 8 hours of quitting smoking: Carbon monoxide levels lower to normal levels, allowing your tissues to receive more oxygen This increase in oxygen levels help restore the blood vessels and tissue that were deprived of it while you were smoking Within 24 hours of quitting smoking: Your risk of a heart attack has decreased, thanks to improved oxygen levels that allow your heart to work properly Within 48 hours of quitting smoking: Damaged nerve endings start to regenerate, improving sensations like taste and smell Within 72 hours of quitting smoking: The bronchial tubes in the lungs have relaxed and opened up, allowing better air exchange between oxygen and carbon dioxide and improving your breathing Lung capacity begins to increase so your lungs can fill with more air Within one week of quitting smoking: Your odds of successfully quitting smoking have increased dramatically, up to nine times Within two weeks of quitting smoking: Improved blood oxygenation and circulation now make walking and breathing easier Lung function has increased by as much as 30 percent Within one month of quitting smoking: Energy levels have improved The fibers in the bronchial tubes continue to regrow and strengthen, improving their ability to protect you from bacterial infection and reducing mucus buildup in the lungs Symptoms like shortness of breath and sinus congestion have improved Within six months of quitting smoking: Airways have become less inflamed, resulting in less mucus and phlegm in the lungs The ability to handle stressful situations has improved Within 1-3 years of quitting smoking: The improved flow of oxygen to your heart has reduced your risk of a heart attack to that of a nonsmoker Within 10-15 years of quitting smoking: Your risk for a stroke or heart attack has decreased to that of a person who has never smoked before How you can quit smoking Quitting smoking improves not only your cardiovascular health but the cardiovascular health of those around you
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A main response of the tobacco industry was the introduction of filtered cigarettes (with or without ventilation holes), although the history of the filter goes further back up to the 1860s (5, 6)
