Dr. Richard Besser - ABC News Watch: Do Bone Drugs Prevent Breast Cancer? Dr. Richard Besser explains the results of a new study. Watch: Getting the Sugar Out of Cereal General Mills will reduce the amount of sugar in some cereals marketed to kids. Watch: Will Diabetes Cases Double in 25 Years? Dr. Richard Besser has the latest on a significant new diabetes study. Watch: HPV: Should Boys Get the Vaccine? The CDC considers whether to recommend the HPV vaccine Gardasil for boys. Mammogram Recs: ABC News Doctors Sound Off Many docs tell patients to ignore the guidelines; cancer call centers light up. Yearly Mammograms: More Harm Than Good? Dr. Marie Savard explains why some cancer screenings may do more harm than good. 'Beating Heart' Bypass Surgery May Be Riskier New research reveals the method has its risks; some docs stand by the procedure.