In 1990, breast cancer, diabetes, stroke, and other noncommunicable diseases (NCDs) represented roughly a quarter of the total amount of death and disability in poorer nations, as measured in disability-adjusted life-years (DALYs). In 2040, that number is expected to jump to as high as 80 percent in some low-income countries. At that point, the burden of noncommunicable diseases in Bangladesh, Ethiopia, and Myanmar will be roughly the same as it will be in rich nations such as the United States. The difference, of course, is that the same shift from infectious diseases to noncommunicable diseases took roughly three to four times as long in those wealthy nations. …..more