CARDIA study scientists weighed and measured the waist circumference and BMI of study participants. The waist circumference was measured to the nearest half centimeter.
Physical exams also showed that blood pressure, insulin resistance, visceral abdominal fat, waist circumference and other warning signs of impending heart disease and diabetes were improved.
In studies conducted by other researchers, a regimen of simple weight training by sedentary men and women led to a significant decrease in waist circumference and abdominal fat.
The researchers noted that participants in both groups also had reduced waist circumference, blood pressure, insulin resistance, visceral abdominal fat and liver fat content.
Some argue that waist circumference is a superior risk-assessment tool because the abdominal area is considered the most dangerous location for adipose tissue to accumulate.
He said: 'The increases in waist circumference since 1978 show that children have got bigger.
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