nuts

The form of vitamin E found in plant seeds but not in most supplements--gammatocopherol--may slow the growth of cancer cells, according to a study at Purdue University. Researchers found that gammatocopherol inhibited human prostate and lung cancer cell division in the lab, while leaving healthy cells alone. It's too soon to say how much gammatocopherol humans need but now there's one more reason to munch on these healthy sources: walnuts and pecans. P.