Dr. Jeffrey R. Liss, medical director for the Arizona Arthritis Center's Osteoporosis Program, is guest speaker at the Arizona Arthritis Center Friends' annual fall luncheon, from 11:30 a.m. to 1:30 p.m., Thursday, Nov. 3; $35, $30 member. Advance payment is required. Call 626-7901 for reserations or more information.