PHILADELPHIA (WPVI) -- Premature babies have a greater chance of developing ADHD, or attention deficit hyperactivity disorder.
A new study, published in JAMA Pediatrics, found that being born a month early raises the risk and we don't know why but it's particularly true for girls.
The researchers believe ADHD is caused by inflammation from under-developed organs.
About 1 in 10 babies in the US is born before 37 weeks.
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Premature babies have greater chance of developing ADHD, study says
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