Dementia risk could be tied to your mindset and outlook on life, study suggests

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Board-certified rheumatologist Dr. Mahsa Tehrani discusses how weight training could reduce the risk of dementia on ‘America Reports.’ New research has identified a possible link between a person’s outlook on life and their risk of developing dementia. The study, published in the Journal of the American Geriatrics Society, examined whether having higher levels of optimism could reduce the chances of cognitive decline over time. Researchers analyzed data from more than 9,000 adults who were cognitively healthy at the start of the study. Participants were followed for up to 14 years, with more than 3,000 developing dementia during that period. SIMPLE BRUSHING ROUTINE COULD REDUCE DEMENTIA RISK, SAY DENTAL HEALTH EXPERTS Those who reported higher levels of optimism on a questionnaire had about a 15% lower risk of developing dementia compared to those wi