More than one-third of cancer cases are preventable, massive study finds
Tobacco smoking is a leading cause of preventable cancer cases.Credit: Jorge Sanz/SOPA Images/LightRocket/GettyNearly 40% of new cancer cases worldwide are potentially preventable, according to one of the first investigations1 of its kind, which analysed dozens of cancer types in almost 200 countries.The study found that in 2022, roughly seven million cancer diagnoses were linked to modifiable risk factors — those...









