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GS2The Hindu

Dementia risk that could be prevented or delayed

World Health Organization says up to 45% of dementia risk may be prevented or delayed by addressing modifiable risk factors such as tobacco use and air pollution.

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Samachar Pathshala Desk
16 Jul 2026 · 1 min
Illustration of a medical report, a cigarette, and an air-pollution symbol beside a brain diagram on a desk.
Key takeaways
  • The World Health Organization says up to 45% of dementia risk could be prevented or delayed by addressing modifiable risk factors.
  • The World Health Organization names tobacco use and air pollution as modifiable risk factors for dementia.
  • The World Health Organization describes dementia as a leading cause of death.

The World Health Organization says up to 45% of dementia risk could be prevented or delayed by addressing modifiable risk factors such as tobacco use and air pollution. The World Health Organization also describes dementia as a leading cause of death, which makes prevention policy important for public health and ageing care.

The current significance for UPSC lies in the policy link between non-communicable disease prevention and environmental health. The same issue can be used to revise health governance, risk-factor reduction, and the role of air-pollution control in disease prevention.

Why the issue matters

The UPSC angle · GS2 · GS3 · Essay

UPSC can frame dementia through preventive health, non-communicable diseases, and the policy response to modifiable risk factors such as tobacco use and air pollution. The issue also links health systems, environmental regulation, and ageing-related care.

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