Excess Body Weight Responsible for 4% of Cancers Worldwide, Study Says

Excess body weight was responsible for 3.9% of cancer globally, or 544,300 cases, in 2012, according to a new report. The report, published Wednesday in the journal CA: A Cancer Journal for Clinicians, also highlights a relationship between obesity and the risk of 13 cancers, including postmenopausal breast cancer and liver cancer, and a probable relationship with three others, including prostate cancer.