8 Health Conditions Made Worse by Smoking

Doctor William C Lloyd Healthgrades Medical Reviewer
Medically Reviewed By William C. Lloyd III, MD, FACS
Written By Cindy Kuzma on December 10, 2020
  • Quit smoking
    Understand the Combined Effects
    Doctors advise everyone to quit smoking. For those who already have health problems, avoiding tobacco becomes even more crucial. In most cases, quitting smoking won’t cure your disease, but it can immediately improve your health. It’s especially important to kick the habit for these eight health situations.
  • Happy women holding "Survivors" sign at breast cancer awareness race
    1. Cancer
    About 1 in 10 cancer survivors continue to smoke in the decade after their diagnosis, according to a recent American Cancer Society study. For people who currently have cancer, smoking can decrease the safety and effectiveness of treatment. If you find out you have cancer, put down your cigarette for good. Doing so means it’s more likely you will beat the cancer, the cancer won’t come back, and you will live longer.
  • Model of Human Brain
    2. Stroke
    Strokes most often occur when a clot blocks blood flow to the brain. Smoking doubles your risk of having another stroke in the months and years afterward. All too often, these recurrent strokes have more debilitating effects and are more life threatening than the original one. Parts of your brain injured by your first stroke may be weaker the second time.
  • Man measuring blood pressure at home
    3. High Blood Pressure
    High blood pressure is often called a silent killer because it doesn’t cause symptoms.  You may not notice, but your blood pressure increases temporarily after every cigarette. As a result, smoking increases your risk of having a stroke. High blood pressure also increases your risk of stroke. The combined effect of smoking with high blood pressure makes a stroke even more likely, some research shows.
  • Medical exam
    4. Heart Disease
    Smoking reduces your HDL (“good”) cholesterol, leaving LDL (“bad”) cholesterol blocking your arteries. Smoking also thickens your blood and decreases blood oxygen levels. All these factors add up to trouble when it comes to your cardiovascular health. When you have heart disease and you smoke, you’re upping your odds of dying from a heart problem. If you’ve had a heart attack, quitting smoking means you’re less likely to have another one.
  • Child With Allergy Visit Doctor
    5. Asthma
    Tobacco’s toxins irritate even the healthiest airways. But if you already have asthma, smoking makes your condition harder to control. You’ll cough more, wheeze harder, and feel more tightness in your chest. You’ll likely have more frequent and severe asthma attacks, develop bronchitis and pneumonia, and experience less relief from your medications. And if your child has asthma, your smoking can increase his or her risk of hospital visits.
  • Mature man treating asthma with inhaler
    6. COPD
    As many as half of all smokers develop COPD (chronic obstructive pulmonary disease), some research shows. A whopping 80% of COPD deaths can be attributed to smoking according to the American Lung Association. But if you have a hard time quitting smoking even after receiving a COPD diagnosis, you’re not alone. As difficult as it is to stop smoking, consider the major benefit of committing to quit. It’s a proven method to stop your COPD from getting worse.
  • Cropped image of Caucasian woman rubbing painful feet sitting on couch
    7. Peripheral Artery Disease
    People with peripheral artery disease (PAD) suffer from pain, weakness and cramping in their leg muscles due to blocked blood flow. Smoking even 1 or 2 cigarettes per day can interfere with treatments for PAD. And if you smoke and have diabetes in addition to PAD, your odds of tissue death or gangrene rise. When this happens, it often leads to amputation.
  • Pregnant woman showing ultrasound picture
    8. Pregnancy
    Smoking while pregnant doesn’t just put you at risk—it’s highly dangerous for your baby. Moms-to-be who smoke risk having a premature delivery and a low birth weight baby. An abnormally low birth weight means your baby may be very sick with lung problems, stomach problems, and bleeding in the brain. It may also mean more long-term health problems later in life. After the baby is born, secondhand smoke may increase the risk of SIDS (sudden infant death syndrome).
8 Health Conditions Made Worse by Smoking

About The Author

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  18. What Is COPD? National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/copd/.
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Last Review Date: 2020 Dec 10
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