tobacco mill leaves processing tobacco factory hi-res stock photography and images A Tobacco Town Transformed: Winston-Salem

Economical Use: Ground weed allows for more accurate measurements

They note that smoking has a damaging effect on the integrity of a persons DNA, and that instability within an individuals genome is one of the factors that contributes to the development of cancer

The 70-year-old California woman never dreamed the spot on her tongue could be oral cancer

To harvest: Tobacco plants can be harvested by cutting down the entire plant at once or by pulling individual leaves from the plant

In a policy statement published in the medical journals Clinical Cancer Research and Journal of Clinical Oncology, the organisations highlighted what they saw as the need for urgent action to end predatory practices of the tobacco industry and protect public health