The researchers compared energy expenditure to doctor-diagnosed incident hypertension, self-reported, diabetes, coronary heart disease and hypercholesterolemia.

Does having an apple or pear shaped body affect your heart risk?
Many doctors now believe your waist size is more important than your weight when assessing your health risks. However, recent studies have given rise to different conclusions.

U.S. researchers say poor sleep quality or too few hours sleep may increase inflammation -- a risk factor for heart disease and stroke.