Alzheimer's & dementiaBrain & nervous systemSenior health

7 surprising signs of dementia

Be on the lookout for these signs your brain health is at risk.

Jan, 2026
LearnNeurologyDementia7 surprising signs of dementia
Slide 1
You’re having dental problems
You start walking differently
You’ve been sleeping more (or less)
You can’t find the words
Your judgment and self-control change
You display inappropriate sexual behavior
Your sense of smell is off

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Slide 1

Memory impairment is probably the best-known symptom of dementia conditions including Alzheimer’s disease. But there are other, surprising warning signs that your brain health is at risk. Be on the lookout for these lesser-known symptoms, and call a healthcare provider if you suspect you or a loved one might be developing the disorder.

Written byPatrick Sullivan.
Medically reviewed byMegan Burke, MD.August, 2025
Sources: Li L + 21
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