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Breaking Bad Habits
  Section Features
Limiting Alcohol, Quitting Smoking, Managing Stress
  Fast Facts
Did You Know? Smoking affects your cholesterol levels, your heart and your blood vessels, putting you at high risk for heart disease, the National Heart, Lung and Blood Institute says. Smoking reduces HDL ("good") cholesterol and may raise LDL ("bad") cholesterol, contributing to the buildup of plaque in your arteries.