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Let’s take a look at what happens inside your body each
time you light up. Think about how quickly tobacco smoke can
produce harmful effects.
Your Eyes, Nose, & Throat: Within a few seconds of your
first puff, irritating gases (formaldehyde, ammonia, hydrogen
sulfide, and others) begin to work on sensitive membranes
of your eyes, nose, and throat. Your eyes water, your nose
runs, and your throat is irritated. If you continue smoking,
these irritating gases will contribute to your smoker’s
cough. Continued smoking produces abnormal thickening in the
membranes lining your throat, accompanied by cellular changes
that resemble those that occur in throat cancer.
The Lungs: Continued exposure can completely paralyze the
lungs’ natural cleansing process.
Your respiratory rate increases, forcing your lungs to work
harder.
Irritating gases produce chemical injury to the tissues of
your lungs. This speeds up the production of mucus and leads
to an increased tendency to cough up sputum.
Excess mucus serves as a breeding ground for a variety of
bacteria and viruses. You become more susceptible to colds,
flu, bronchitis, and other respiratory infections. And if
you do come down with an infection, your body is less able
to fight it, because smoking impairs the ability of the white
blood cells to fight invading organisms.
The lining of your bronchi begins to thicken, predisposing
you to cancer. Most lung cancers arise in the bronchial lining.
Smoke weakens the free-roving scavenger cells that remove
foreign particles from the air sacs of the lungs. Continued
smoke exposure adversely affects elastin (the enzyme that
keeps your lungs flexible), predisposing you to emphysema.
Many of the compounds you inhale are deposited as a layer
of sticky tar on the lining of your throat and bronchi and
in the delicate air sacs of your lungs. A pack-a-day smoker
pours about a pint - 16 ounces - of tar into his or her lungs
each year. This tar is rich in cancer producing chemicals.
Your Heart: From the moment smoke reaches your lungs, your
heart is forced to work harder. It beats an extra 10 to 25
times per minute, or as many as 36,000 additional times per
day.
Because of the irritating effect of nicotine and other components
of tobacco smoke, your heartbeat is more likely to be irregular.
A recent Surgeon General’s report estimated that each
year about 170,000 heart attacks are caused by smoking. Another
unofficial statistic in the literature is that half of smokers’
first heart attacks are fatal. In other words, if you are
smoking and you have a heart attack, you have only a fifty-fifty
chance of survival. Between 75 and 80 percent of survivors
stop smoking after their first heart attack.
A
Scary Look Inside the Body of a Smoker (Part 2)
Blood Vessels: Your blood pressure increases by 10 to 15
percent every time you light up, putting additional stress
on your heart and blood vessels and increasing your risk of
heart attack and stroke. Smoking increases your risk of Berger’s
disease, which cuts off virtually all the circulation in your
extremities. Severe cases require amputation.
The Skin: Smoking constricts the blood vessels in your skin,
decreasing the delivery of life-giving oxygen to the largest
organ in your body. This, combined with the damaging rays
of the sun, causes premature wrinkling in smokers.
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