Women who took aspirin and vitamin E in separate studies of cancer and heart disease prevention experienced no benefits, while a third analysis revealed that aspirin might lower the risk of prostate cancer in men, researchers report.In the scientific papers published in two journals, a key theme, on first blush, seems to be aspirin’s stark differences between the genders. But scientists downplayed that difference Tuesday and underscored that much remains to be learned about cancer prevention -- and aspirin dosage.
