Nicotine can prevent chemotherapy drugs such as taxol from killing lung cancer cells, research say, in a finding that may help explain why lung cancer is so difficult to treat in smokers. The findings may also suggest even people who quit smoking but use nicotine supplements, such as patches or gum, may not be helped as much as they should be by cancer therapy, US researchers said. "Our findings are in agreement with clinical studies showing that patients who continue to smoke have worse survival profiles than those who quit before treatment," the researchers wrote in a study published by...
