IF YOU’VE EVER had a doctor brush off your symptoms as “just aging” without asking follow-up questions, or talk to a caregiver or younger companion instead of directly to you, you may have experienced ageism in health care. One in 7 Americans age 50 and older say they have, AARP researchers have discovered. When providers make assumptions based on age, as opposed to following clinical guidelines, it can result in older adults being misunderstood or misdiagnosed when they need health care.