According to cancer researchers, smokers who eat at least two servings of cruciferous vegetables a week have lower levels of tobacco-related toxins in their urine.// Dr. Gina Day Stephenson of the American Health Foundation,N.Y., felt that the vegetables, which include broccoli, cauliflower, Brussels sprouts, and dark greens such as turnip and collard greens, appear to change the way smokers metabolize tobacco smoke.
According to him, other researchers have reported increased cruciferous vegetable intake was associated with a lower rate of smoking-related cancers. According to her, this study suggests that just normal dietary levels can reduce the levels of tobacco-related toxins.
The study included 160 disease-free smokers aged 16 to 58; half were women and 40 percent were African American. All were asked to fill out a detailed smoking history and food frequency questionnaire. Stephenson and her colleagues measured urine concentrations of three byproducts of tobacco: two called NNAL and NNAL-Gluc, and a third called cotinine.
People who ate fewer than two servings of cruciferous vegetables a week had higher urinary concentrations of the tobacco toxins but the levels begin to drop when people consume two or more servings. Stephenson said a typical serving is "about the size of a fist." Some studies have suggested smokers are less likely to eat fruits and vegetables, implying a typical smoker might not eat two servings a week.
Andrew Burdick, an epidemiologist from the University of New Mexico, told UPI there are several studies that suggest the intake of fruits and vegetables can reduce the risks associated with environmental carcinogens, including secondhand smoke.
According to him, this does not mean that smokers should be advised to just eat healthy. The best way to lower risk is to stop smoking. Burdick was not associated with the study. Stephenson agreed the findings should not be interpreted in order to
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