Colloidal silver: Is it safe?

Our general interest e-newsletter keeps you up to date on a wide variety of health topics.My dad takes colloidal silver for his health, but is it safe? Answer From Brent A. Bauer, M.D.Colloidal silver isn't considered safe or effective for any of the health claims manufacturers make. Silver has no known purpose in the body. Nor is it an essential mineral, as some sellers of silver products claim.Colloidal silver products are made of tiny silver particles suspended in a liquid — the same type of