NEW ORLEANS (AP) — Obese children as young as 10 had the arteries of 45-year-olds and other heart abnormalities that greatly raise their risk of heart disease, say doctors who used ultrasound tests to take a peek inside. She and colleagues used painless ultrasound tests to measure the thickness of the wall of a major neck artery in 70 children, ages 10 to 16. A separate study tied childhood obesity to abnormal enlargement of the left atrium, one of the chambers of the heart. Walter Abhayaratna of Australian National University in Canberra, Australia, also used ultrasound tests and found impairment in the heart’s ability to relax between beats in children who were overweight or obese. Read Childhood Obesity

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