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4 Your Health: How trauma effects the heart; the rise of obese children

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Childhood obesity has skyrocketed over the past four decades. 

A new study from the World Health Organization estimates 50 million girls and 74 million boys worldwide are obese. That's a 10-fold increase since 1975.

Obesity rates were highest, at over 30 percent, in some Polynesian islands and were around 20 percent in the U.S.. Despite this rise, more children are underweight than obese across the globe.

Living through a traumatic event may take a toll on the heart.

Scientists from the University Of Pittsburgh asked over 200 older women about their lifetime history of stressful experiences.

Those who reported at least three traumatic events  like a car accident, natural disaster or death of a child, were more likely to have damage to the inner lining of the heart.

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