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Spotting the Signs of Dementia and Alzheimer's Disease

Memory changes can be a normal part of aging, but some signs may point to dementia or Alzheimer’s disease. Learn what to watch for and when to seek help.

Published: November 13, 2024
Last reviewed: August 26, 2026
Read time: 1 min read

What's the difference between Alzheimer’s and dementia?

Dementia is a general term for conditions that cause problems and changes with memory, language, thinking, social skills, problem-solving and mood and emotions, and Alzheimer’s is the most common kind of dementia, says Michelle Dietz, MD, MetroHealth Department Chair of Geriatric Medicine.

Other common types include:

Doctors aren’t sure exactly why someone develops Alzheimer’s. Those with the disease have clumps of beta-amyloid plaque in their brain. Doctors can see these plaques on PET scans and can measure beta-amyloid protein through special lab tests.

Lewy body dementia

This is caused by abnormal brain deposits of a protein called alpha-synuclein.

Parkinson's dementia

A brain disorder, Parkinson’s disease also causes uncontrollable body movements, such as shaking and loss of balance.

Things that can increase your risk of dementia include:

  • A family history of Alzheimer’s or another kind of dementia.
  • Genetic factors that can predispose you to dementia.
  • Prior head injury.
  • Certain medical conditions, such as diabetes, hypertension and obesity.
  • Not getting enough sleep on a regular basis.
  • Social isolation.

No, but several important lifestyle changes may help reduce your risk of cognitive decline:

  • Stay physically active. Adults should get at least 150 minutes of moderately intense aerobic activity each week. Check with your doctor what exercises are right for you.
  • Challenge your mind. Learning new skills may help protect your cognitive health. Try word puzzles, math games, dance classes, learning a new language, even playing video games.
  • Eat a healthful, balanced diet. This also helps you manage other conditions that contribute to dementia.
  • Keep other medical problems well controlled. This includes treating high blood pressure and diabetes.
  • Get quality sleep. Adults should get at least seven hours each night.
  • Maintain good social interactions and relationships. Meet new people through volunteering, senior centers or church groups.

There’s no cure for Alzheimer’s but doctors have several treatments to help manage symptoms. Most are only available when someone is in the early stages of dementia. So, it’s critical to seek medical help as soon as you spot the signs in yourself or a loved one.

  • Memory loss, especially of recent information.
  • Difficulty planning and problem solving.
  • Keeping track of important dates or routine activities, such as bill paying.
  • Struggle with finding the right words or maintaining a conversation.
  • Mood or behavior changes.

If you notice these in your loved one, suggest seeing a doctor without making a diagnosis yourself. Sometimes there’s something else that could be causing memory problems, such as thyroid issues or medications.

MetroHealth Geriatric Medicine

The MetroHealth Geriatric Specialists offer compassionate care through our Senior Health Outpatient program. For appointments, call 216-957-2100 or visit: metrohealth.org/geriatrics

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Medical Disclaimer: The information presented here is intended for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medical decisions.