Gee, what oh what could it be, he queried.....................
Why obviously it is global warming /s
From the article:
Experts have longed speculated the increasing obesity rates and earlier cancer screenings may be behind the rise, as well as high-fat diets, alcohol consumption and tobacco use.
However, because lifestyles, habits and diets vary so widely from country-to-country, they now believe these factors do not entirely account for the surge.