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WHO: 38% of Cancers Preventable with Current Tools
9 Nov
Summary
- Around 38% of cancer cases are preventable with current strategies.
- Tobacco, alcohol, and poor diet are major preventable risk factors.
- Early detection and treatment significantly improve cancer survival rates.
A significant portion of cancer cases, approximately 38 percent, can be prevented through existing strategies and by avoiding known risk factors. This information comes from a July 2026 report by the World Health Organization (WHO).
Major preventable risk factors identified by WHO include tobacco and alcohol consumption, unhealthy diets, lack of physical activity, and air pollution. Infections also play a role, accounting for about 10 percent of cancer diagnoses in 2022.
Cancer is a leading cause of death globally, with nearly 10 million deaths recorded in 2024. Common cancers include lung, breast, and colon. However, the WHO highlights that early detection and effective treatment can dramatically improve cure probabilities.
While prevention is crucial, access to cancer care remains unequal. The WHO stresses the importance of accessible screening, diagnosis, and treatment, alongside palliative care, to reduce mortality rates and improve quality of life for patients worldwide.
