The number of US adults following a healthy lifestyle has fallen in the last two decades despite increasing public health campaigns, a study shows.
A review of two studies stretching back to 1988 found the proportion of obese adults has crept up to over a third.
Levels of exercise also fell, as did consumption of fruit and vegetables.
The American Journal of Medicine study found those with health problems were no more likely to follow a healthy lifestyle than their fitter peers.
Researchers at the Medical University of South Carolina compared two large-scale studies …