Risk Factors

The known risk factors for dementia include:

  • Age
  • Female gender
  • Excess alcohol intake
  • Head injury causing loss of consciousness at some point in the patient’s past
  • Depression
  • Learning difficulties
  • Diabetes
  • Obesity
  • Hypertension
  • Hypercholesterolaemia
  • Smoking

Learning Bite

There are modifiable and non-modifiable risk factors for dementia. Reduction of these factors has not been shown to reduce dementia rates.