Is it OK to smoke one cigarette in your life?

You already know that smoking can cause lung cancer. But many people don't realize that smoking even one cigarette has serious, swift effects on your heart every time you take a drag. “When you take the first puff, your metabolism has changed,” Luepker says. “Your heart beats faster. …



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Smoking continues to be the primary cause of the majority of lung cancer cases, but can smoking just one cigarette have an adverse effect on your well-being? Yes, according to “How Tobacco Smoke Causes Disease,” a 704-page report from the United States Surgeon General's office.

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