A new report reveals fetal death rates in the United States have declined slightly.

In 2013, there were about 23,500 fetal deaths, which occur in the womb at 20 weeks of gestation or more.

Fetal deaths were more common among American, Indian and Hispanic women. Black women were twice as likely to experience this loss than their white peers.

Fetal mortality rates were also higher in teenagers, women over 35, unmarried women and those with multiple pregnancies.

A new study suggests a hormone deficiency may explain the social struggles common in kids with autism.

Researchers found a link between low levels of vasopressin, which is linked to social behavior and the inability of autistic children to understand social cues.

Experts say autism can't be explained by this deficiency alone because normal children with low vasopressin levels did not have social problems.

It has been 40 years since the Vietnam War ended, but a new study shows the experience still affects many veterans.

More than 270,000 Vietnam veterans who served in the war zone currently suffer from post-traumatic stress disorder and more than one-third have major depression.

In fact, there are twice as many veterans with deteriorating mental health than those with improving symptoms.

Experts say these findings show the need for greater access to mental health services and anticipating future challenges for veterans of the conflicts in Iraq and Afghanistan.

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