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Professional
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MSD Manual
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
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COMMENTARY
ABOUT US
HEALTH TOPICS
HEALTHY LIVING
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Quick Facts: Special Subjects
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Tobacco Use
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Tobacco Use
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Smoking
Why is smoking tobacco bad for my health?
What about e-cigarettes?
What if a child swallows nicotine?
What are the effects of smoking?
Immediate effects
Long-term effects
Withdrawal symptoms
Should I talk to my doctor about my smoking?