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I know smoking causes cancer. Does it cause anything else?

Joseph I. Miller Jr., MD
Thoracic Surgery (Cardiothoracic Vascular)
Smoking can cause many non cancer medical conditions including strokes, heart attacks, emphysema, and bronchitis. Other related medical conditions include heartburn, dental problems, skin, and sinus problems. 
Dr. Michael Roizen, MD
Internal Medicine

It causes inflammation in your arteries and your immune system.  The immune system part leads to cancer and inability to fight infections and poor healing of damage that you get.  It also causes heart disease, stroke, memory loss, impotence, peripheral vascular disease with amputation, decay in orgasm quality, and wrinkling of the skin.  If those aren't enough, it also causes you to not heal wounds and to have 12-18 years more disability than you might have had or than you were predicted to have were you not to smoke.

Smoking leads to coronary artery disease, the number one cause of death in the U.S. Smoking causes reduced circulation by narrowing the arteries, which can lead to heart attacks and strokes. According to the U.S. Surgeon General, smoking has been associated with infertility, low birth rate, and sudden infant death syndrome.
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Smoking can lead to a lot of health problems. Think of yourself as a clear, sparkling body of water. Now think of smoking as a big tanker dumping a load of chemicals into that water. Those chemicals travel into estuaries and rivers and reservoirs, killing and damaging vibrant creatures and plants along the way.

That's how smoking can fan out, causing all sorts of cancer including lung, cervical, bladder, stomach and esophageal. It also causes heart disease, chronic obstructive pulmonary disease (COPD), stroke, heart attack, reproductive problems and circulation problems that could result in leg or arm amputations. Blocked arteries that may be caused by smoking can even lead to sudden death. Send out a boat carrying a crack clean-up force: Talk with your doctor about smoking cessation.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.