As early as the 1880s, there was evidence that smoking tobacco damaged your lungs. But it took almost 100 years to definitively show that smoking causes lung cancer.
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News Source: medicalxpress.com
As early as the 1880s, there was evidence that smoking tobacco damaged your lungs. But it took almost 100 years to definitively show that smoking causes lung cancer.
News Source: medicalxpress.com
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