How Smoking Affects Your Body
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Guide 2 Quit Smoking   >   Articles   >   Affects of Smoking

How Tobacco Affects Your Body

Smoking tobacco has many affects on your body. Some of these affects include:

  • Brain - Nicotine, the drug that makes tobacco addictive, goes to your brain. It makes you feel good when you are smoking, but it can make you anxious, nervous, moody and depressed after you smoke. Using tobacco also causes headaches and dizziness.

  • Mouth - Tobacco stains your teeth and gives you bad breath. You won't be able to taste your favorite foods as well either, because some of your taste buds are ruined. Tobacco use also causes bleeding gums (gum disease) and cancer.

  • Heart - Smoking increases your heart rate and blood pressure. If you try to do activities like exercise or play sports, your heart has to work harder to keep up.

  • Lungs - Smokers have trouble breathing because smoking damages the lungs. If you have asthma, you can have more frequent and more serious attacks. Smoking causes a lot of coughing with phlegm (mucous). Tobacco can also increase emphysema (lung disease) and lung cancer.

  • Skin - Smoking causes dry, yellow skin and wrinkles. The smell sticks to your skin too.

  • Muscles - Less blood and oxygen flow to your muscles, which causes them to hurt more when you exercise or play sports.
How tobacco affects your body


Side effects of Nicotine

Side affects of nicotine
It should also be noted that tobacco contains nicotine. Nicotine is a stimulant, and its presence is one of the major contributing factors to the the addictiveness of tobacco smoking. However, in addition to its stimulant properties, nicotine has many potential side effects.

Some possible side effects of nicotine include:
  • Circulation:
    • Increased clotting tendency
    • Atherosclerosis
    • Enlargement of the aorta

  • Lungs:
    • Bronchospasm

  • Muscular
    • Tremor
    • Pain

  • Gastrointestinal
    • Nausea
    • Dry mouth
    • Dyspepsia
    • Diarrhea
    • Heartburn
    • Peptic ulcer
    • Cancer

  • Joint pain

  • Central nervous system
    • Lightheadedness
    • Headache
    • Sleep disturbances
    • Abnormal dreams
    • Irritability
    • Dizziness
    • Risk of blood restriction

  • Heart
    • Increased or decreased heart rate
    • Increased blood pressure
    • Tachycardia
    • More (or less) arrhythmias
    • Coronary artery constriction
    • Coronary artery disease

  • Hormonal
    • High insulin
    • Insulin resistance

  • During pregnancy, risks to child later in life
    • Type 2 diabetes
    • Obesity
    • Hypertension
    • Neurobehavioral defects
    • Respiratory dysfunction
    • Infertility




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