Obesity rates have doubled worldwide since 1980, according to new research published in the journal The Lancet.
In 1980, 4.8 percent of men and 7.9 percent of women were obese. Those percentages jumped to 9.8 percent of men and 13.8 percent of women in 2008.
However, over that same time period, there have also been some positive changes: Wealthy western nations have shown a big decline in the number of people with uncontrolled high blood pressure and high cholesterol.
While the number of...Full Story