Nearly Half of Dementia Cases Could Be Prevented, WHO Says

The World Health Organization has released updated guidelines showing that up to 45% of dementia risk is linked to factors we can change. This means many cases could be delayed or avoided through healthier lifestyles and better management of medical conditions. The recommendations urge countries to integrate dementia prevention into primary healthcare, mental health and noncommunicable disease programmes. Key actions include regular physical activity, quitting tobacco, reducing alcohol, following a balanced diet and tackling air pollution. WHO warns that managing hypertension, diabetes and high cholesterol is vital. They also highlight the importance of cognitive training, social engagement and hearing aid use for those with hearing loss. Routine supplements like vitamin B or omega-3s are not advised without a diagnosed deficiency. With over 57 million people living with dementia worldwide and nearly 10 million new cases yearly, WHO stresses that stronger prevention efforts could ease the emotional and economic burden on families and health systems.

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