Ultra processed food? Single biggest change for the last 30-50 years. And colorectal and Oral cancers are the problem. Guaradasil fixes the latter. Diet influen

Ultra processed food? Single biggest change for the last 30-50 years. And colorectal and Oral cancers are the problem. Guaradasil fixes the latter. Diet influences the former. Outside of food, could be some other chemical exposure. Or, genetic drift at scale but hard to explain that, noting allergies are rising worldwide too. (Not an epidemiologist)