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Want to live to 100? Follow these 18 simple rules

Reader's Digest Logo By Reader’s Digest Editors of Reader's Digest | Slide 1 of 18: Four years after doing so, your chance of having a heart attack falls to that of someone who has never smoked.  After ten years, your lung cancer risk drops to nearly that of a nonsmoker.  Concerned? See your doctor as techniques for earlier detection and new treatments for lung cancer exist.

1. Stop smoking

Four years after doing so, your chance of having a heart attack falls to that of someone who has never smoked.

After ten years, your lung cancer risk drops to nearly that of a nonsmoker.

Concerned? See your doctor as techniques for earlier detection and new treatments for lung cancer exist.

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