The Pima County Medical Society resumes Walk With A Doc events at 8 a.m. Saturday, Sept. 9, at Rillito River Park. 

Roy Lowenstein M.D., an internal medicine practitioner, will discuss new research on weight loss. Walkers sign in at the ramada east of Swan Bridge on the south bank.  Physicians are encouraged to urge patients to participate in the program. The walk covers a one- or two-mile course on level ground. Please contact Dennis Carey at 795-7985 or with questions. Future walks are planned for Oct. 14, Nov.11 and in December.