Walk with a Doc is hosting a one-hour long health/fitness walk in Brookline and Newton on July 23 at 11:30 AM. It will start at Brookline Reservoir (128 Dudley Street, Brookline) and will include an opportunity to learn about health topics geared towards 50-70-year-olds from a healthcare professional. For more information, contact Donna Michelson, MD at drdonnamichelson@gmail.com