DES MOINES, Iowa -- Sudden infant death loss can be painful and difficult for families to come to terms with.

Sudden unexpected infant deaths can happen to babies under the age of one. The causes include accidental suffocation, strangulation, and in some cases, can even be unknown.

Nationally, more than 1,000 deaths have been reported as undetermined.

Earlier this year, the University of Iowa received a grant from the Institute of Health to fund sudden infant death research.

It is a collaborative study between multiple universities, including the University of New Hampshire. The University of Missouri is the driving institution as well as Boston's Children's Hospital.

"They started getting interested in looking at a new part of the brain that had not previously been studied in SIDS,"

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