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Almost 40% of Cancers Worldwide Linked to Modifiable Risk Factors

4 Feb 2026 12:01 PM | Deborah Hodges (Administrator)

Modifiable risk factors account for almost 40% of the worldwide cancer burden, according to an international study group. [MEDPAGE TODAY]

Based on data from 2022, their report showed that an estimated 37.8% of the 18.7 million cancers were attributable to 30 modifiable factors, 29.7% for women and 45.4% for men. Rates of cancers associated with modifiable risk factors varied by geography, ranging as high as 38.2% in women and 57.2% in men.

Smoking, infections, and alcohol consumption topped the list of modifiable risk factors, accounting for 28.5% of the worldwide cancer burden.

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