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Ways to reduce your risk of dementia

Risk factors associated with dementia

Nearly 1 in 2 dementia cases worldwide could be prevented or delayed by tackling the 14 risk factors.

Early life

In early life, the risk of getting dementia increases by:

  • less education, 5%

Midlife

In midlife, the risk of getting dementia increases by:

  • hearing loss, 7%
  • high low-density lipoprotein (LDL) cholesterol, 7%
  • traumatic brain injury, 3%
  • depression, 3%
  • physical inactivity, 2%
  • hypertension, 2%
  • diabetes, 2%
  • smoking, 2%
  • obesity, 1%
  • excessive alcohol, 1%

Later life

In later life, the risk of getting dementia increases by:

  • social isolation, 5%
  • air pollution, 3%
  • visual loss, 2%

See the standing Lancet Commission infographic on dementia prevention and intervention (opens in new window) for details.

Handy tips to reduce your risk of getting dementia

  • Maintain a healthy diet: Focus on a balanced diet, rich in fruits, vegetables, lean meats, fish, low-fat dairy products, and whole grains and avoid processed foods and sugary drinks.
  • Exercise regularly: Move more, sit less. Activities such as walking, swimming, gardening, cycling, yoga, tai chi, dancing.
  • Avoid smoking and limit alcohol use: If you drink regularly, avoid drinking heavily over a short space of time.
  • Take care of your hearing and eyesight: Have regular eye tests and use hearing aids if needed.
  • Get a good night’s sleep: Prioritise sleep and establish a regular sleep pattern.
  • Manage your overall health: Control blood pressure, cholesterol and blood sugar levels. Have regular health screenings, manage chronic medical conditions.
  • Stay mentally active: Engage in activities that challenge your brain such as reading, learning a new skill, playing games, puzzles or take up a new hobby.
  • Stay socially connected: Have regular contact with family and friends, engage in social activities, joining clubs, volunteering.

Here are some useful resources to help keep you healthy:

Keeping active
Physical health checks
Wide range of health advice
Hearing and sight loss
Stopping smoking
Support to cut alcohol and drug use

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Page last reviewed: April 01, 2025
Next review due: April 01, 2026

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