Understanding dementia - A guide to symptoms and prevention

Dementia is a term for severe memory loss and cognitive decline. Learn about the different types of dementia, its key symptoms, the stages, and effective prevention tips.

17 January, 2026

 

Is it just forgetfulness or something more? Recognizing the early signs of dementia is crucial for future health. Don't miss this essential guide to understanding the symptoms, stages, and vital prevention strategies you can start today.

What are the main causes of Dementia?

  • Dementia is not a single disease but a syndrome caused by various conditions; Alzheimer's disease is the most common cause of progressive dementia.
  • Vascular dementia occurs due to brain damage from impaired blood flow, often resulting from a stroke or other conditions affecting blood vessels.
  • Other types include Lewy body dementia, linked to abnormal protein deposits, and frontotemporal dementia, which affects personality, behavior, and language.
An infographic explaining what is dementia

Key symptoms of Dementia to watch for

  • Progressive memory loss that disrupts daily life is a primary symptom, such as forgetting recent events or repeatedly asking the same information.
  • Other key dementia symptoms include difficulty with problem-solving, confusion with time or place, and trouble understanding visual images and spatial relationships.
  • Changes in mood and personality, such as becoming confused, suspicious, depressed, or anxious, are common as the condition progresses through its stages.

How can you prevent Dementia effectively?

  • Engaging in regular physical activity and managing cardiovascular risk factors like high blood pressure and cholesterol is a key strategy for preventing dementia.
  • Keeping your mind active with puzzles, reading, and learning new skills, as well as staying socially engaged, can help reduce your overall risk.
  • Adopting a healthy, balanced diet rich in fruits, vegetables, whole grains, and omega-3 fatty acids may support long-term brain health and function.

>>> Add more knowledge: Marfan syndrome - Managing this genetic connective tissue disorder

The top Dementia images everyone is searching for

Healthy foods that support brain health
A senior engaging in brain-stimulating activities
Lifestyle changes for preventing dementia
A brain scan showing frontotemporal dementia
The difference between Lewy body and other dementias
An illustration of vascular dementia's effect on the brain
A graphic detailing the stages of dementia

>>> Read to understand more: Epilepsy - A guide to understanding and managing seizures

While a dementia diagnosis can be daunting, understanding the condition is the first step toward effective management and support. If you or a loved one are concerned about symptoms, please consult a healthcare professional for guidance.

>>> Read to understand more: Migraine - More than just a headache, a complex neurological issue