The incidence of lung cancer is strongly correlated with cigarette smoking, with about 90% of
lung cancers arising as a result of tobacco use.
symptoms
--------lingering or worsening cough
coughing up phlegm or blood
chest pain that worsens when you breathe deeply,laugh, or cough
Hoarseness or change in voice
shortness of breath
wheezing
weakness and fatigue
Other symptoms of lung cancer include:
------------------------------pain in your shoulders or back
constant chest pain
frequent or recurring lung infections, such as pneumonia and bronchitis
unintended weight loss
loss of appetite
secondhand smoke
radon gas, which can reach high levels inside buildings (and can be measured with a radon testing kit)
asbestos, which is found in many old buildings
carcinogens, including arsenic or nickel
If you have any symptoms of lung cancer, see your doctor right away to ensure early diagnosis.
If you smoke, consider quitting. This is the most important risk-reducing step you
can take.
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