Health News: Prostates & Toenails: The Hidden Link

A 17-year study of 58,000 men shows that higher levels of selenium in toenails means lower likelihood of advanced prostate cancer—up to 60 percent lower. The toenail was chosen in lieu of blood testing as it indicates long-term exposure to selenium. Brazil nuts are highest in selenium: other selenium-rich foods are tuna, cod, turkey, chicken, and beef.