< Back to All Videos thirdAGE > Preventing Dementia Up Next... 10 Treating Knee Osteoarthritis Treating Knee Osteoarthritis Technology and Family Dynamics IQ and Life Span Loading the player ... Senior Health Preventing Dementia There is no definitive evidence that interventions used to prevent or delay dementia work, study finds. Related Videos Treating Knee Osteoarthritis Technology and Family Dynamics IQ and Life Span Work-Family Conflict