The Brain's SOS: 10 Early Warning Signs of Dementia You Can't Afford to Ignore

9. Withdrawal From Work or Social Activities

It’s perfectly normal to skip a gathering when tired. If social withdrawal or loss of interest in work or favorite hobbies happens more often, however, it might be a sign of early dementia. As cognitive changes make following conversations harder or once-simple activities more confusing, some people understandably pull back—not out of lack of interest, but because of increasing frustration or embarrassment. The Alzheimer’s Association encourages families to watch for these subtle changes, like less participation in peer groups, skipping regular outings, or dropping cherished pastimes. Offering encouragement, inviting involvement without pressure, and exploring new, comfortable activities together build confidence and community. No one needs to navigate this alone, and support from loved ones paves the way for meaningful engagement at every stage of life.

10. Changes in Mood or Personality

It’s natural to have off days or to feel more introspective with age. But dementia can cause personality and mood shifts—sometimes leading to confusion, suspicion, depression, fear, or anxiety without clear triggers. The Alzheimer’s Association finds that people with dementia may become easily upset, especially in unfamiliar environments. These changes set dementia apart from typical emotional ups and downs and may emerge as irritability, social discomfort, or uncharacteristic reactions to daily stressors. Families can gently validate these feelings and help loved ones build routines and safe, familiar spaces. If you observe persistent mood changes in yourself or someone close, reaching out to a medical professional or counselor is a wise, compassionate move. A little understanding goes a long way toward easing the emotional side of brain health challenges.