A new study published yesterday in the American Journal of Medicine reported over the last 20 years there has been a sharp drop in Americans’ physical exercise, and an increase in average body mass index (BMI), but that average caloric intake has remained the same.
The Stanford University researchers looked at NHANES data over the last 20 years, and found that the number of U.S. women who reported doing no physical activity went from 19.1% in 1994 to 51.7% in 2010. For men, the number increased from 11.4% in 1994 to 43.5% in 2010. During the same time frame, the average BMI of men and women also went up.
“At the population level, we found a significant association between the level of leisure-time physical activity, but not daily caloric intake, and the increases in both BMI and waist circumference,” said lead study author Dr. Uri Ladabaum, an associate professor of…
View original post 272 more words