Dr. Kenneth Cooper, father of aerobics, reviews the latest research in the scientific journals, and answers listeners calls

New research indicates that vitamin D can significantly reduce the risk of two common cancers. Exciting news for post-menopausal women who have had breast cancer - a new study from Greece says you may want to take a nap in order to improve heart health.  We'll explain. We'll also discuss interesterified fats, a new fat alternative.   Dr. Cooper answers calls.