NBC Medical Contributor Dr. Natalie Azar breaks down the new guidance provided by the “U.S. Preventative Services Task Force” on breast cancer screening. Also, NBC’s Vicky Nguyen shares some big sales and deals to take advantage of in the month of May. Plus, in honor of the first day of Military Appreciation Month, some remarkable Vietnam veterans join the show to share their story. Also, Melissa Joan Hart live in studio 1a to catch up and discuss her new Lifetime movie “The Bad Guardian.”