Babies who are born premature have a higher risk of developing schizophrenia or other mental disorders later on life, scientists from Sweden and the UK claim in a new study.

NEW YORK, May 31, 2012 /PRNewswire-iReach/ -- A

Speaking at a pediatric medicine conference on Sunday, a mental health expert encouraged doctors to explore possible links between bad behavior and mental disorders, while emphasizing the importance of early detection.

Certain genes and proteins that promote growth and development of embryos also play a surprising role in sending chemical signals that help adults learn, remember, forget and perhaps become addicted.

As the Diagnostic and Statistical Manual of Mental Disorders is revised for the first time since 1994, controversy about psychiatric diagnosis is reaching a fever pitch.