how harmful is smoking cigarettes San Diego County HHSA | harms your blood vessels. The chemicals in cigarette smoke make them narrower, increasing the risk of stroke and causing blockages How Smoking Affects the Heart
How Smoking Affects the Heart and Blood Vessels StoryMD Smoking and Your Heart How Smoking Affects the Heart and Blood Vessels NHLBI, NIH Top 10 Terrible Things Smoking Does to Your Body The Many Dangers of Tobacco Use UC Davis Biotechnology Program Why Cigarettes Cause More Long Term Damage Than Hard Drugs Most people think cigarettes are normal and cocaine or heroin are the dangerous ones. But when you compare chronic use, the truth No Safe Level of Smoking NCI
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