Preventable Cancers: A Global Health Opportunity

Thu Feb 05 2026 02:18:20 GMT+0200 (Eastern European Standard Time)

A recent report by the World Health Organization estimates that seven million cancer cases each year could be avoided through lifestyle changes, vaccinations, and tackling environmental pollutants.

According to a groundbreaking report from the World Health Organization, approximately seven million cancer cases could be prevented annually. The analysis reveals that 37% of cancers are linked to avoidable factors such as infections, lifestyle choices, and environmental pollutants. The study highlights the significant potential for reducing cancer risk through targeted action, including vaccination against HPV, smoking cessation, and better air quality. The findings suggest that proactive measures can substantially decrease the global cancer burden.

Approximately seven million people's cancer could be prevented each year, according to the first global analysis by the World Health Organization (WHO). This report estimates that 37% of cancers are related to infections, lifestyle choices, and environmental pollutants that could be avoided.

Notably, cervical cancers caused by human papilloma virus (HPV) infections and a range of tumors attributable to tobacco smoke are highlighted as preventable. The study emphasizes that there is a powerful opportunity to improve health outcomes for millions.

While some cancers are unavoidable due to aging or genetic predispositions, researchers are noting that nearly four in ten cancers can be averted, which they describe as a substantial number. Dr. Isabelle Soerjomataram, involved in the research, pointed out that tackling smoking, obesity, and air pollution can significantly enhance cancer prevention.

Smoking remains the leading cause, accounting for 3.3 million cases, while infections contribute to 2.3 million cancers and alcohol use adds 700,000 cases. Cultural and regional differences showcase that while smoking and obesity are prevalent in some areas, infections dominate preventable cancers in sub-Saharan Africa.

This comprehensive analysis also explores the importance of tailored approaches for cancer prevention strategies to address varying regional risks, emphasizing that transformative actions could significantly lessen the global incidence of cancer.

Addressing these preventable causes represents one of the most promising pathways to reduce the global cancer burden substantially.