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Nicotine is delivered to the brain through smoking, chewing, or sniffing tobacco. Nicotine is an addictive agent. Common names for nicotine products include smokes, cigs, butts, chew, dip, spit, or snuff. Habitual nicotine use leads to many debilitating medical conditions.

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      In This Article
      COPD (Chronic Obstructive Pulmonary Disease) Article
      • COPD facts
      • What is the definition of chronic obstructive pulmonary disease (COPD)?
      • What causes COPD?
      • What are the signs and symptoms of COPD?
      • What increases your risk for developing COPD?
      • What are the four stages of COPD?
      • What other diseases or conditions contribute to COPD?
      • What kind of doctor treats COPD?
      • When to Seek Medical Care for COPD
      • How is COPD diagnosed?
      • What is the treatment for COPD?
      • What lifestyle changes (diet, exercise) and home remedies and care are recommended for people with COPD?
      • What medications treat COPD?
      • What other supplemental therapies help treat COPD complications and symptoms?
      • What surgery is available to treat COPD?
      • Can COPD be prevented?
      • What is the prognosis for a person with COPD?

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