Self-defense is to prevent lung cancer. May act as
one. Not smoking and not smoking are approaching the
second. Avoid them like dirt, soot, smoke, fire, air, automobile exhaust fumes. Vapor from chemicals, etc.
3. Maintaining a healthy lifestyle is always
four. When older than 40 years should be given to the lung by CT (X-ray) of at least 1 time per year.
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