Preventing cancer: mere rhetoric or a promising plan?

摘要

Mats Julius Stensrud and Morten Valberg write: In December 1971, US President Richard Nixon launched a "war on cancer" with the signing of the National Cancer Act. Since that time, billions of dollars and thousands of careers have been devoted to finding ways to prevent or cure the disease. But still cancer incidence is expected to increase in the years to come, so a question may come to mind: how many cancers can we actually expect to prevent?