Haywire brain chemical linked to sudden baby death
WASHINGTON (AP) -- Scientists have new evidence that the brain chemical best known for regulating mood also plays a role in the mystifying killer of seemingly healthy babies - sudden infant death syndrome.
Autopsied brain tissue from SIDS babies first raised suspicion that an imbalance in serotonin might be behind what once was called crib death.
But specialists couldn't figure out how that defect coul...
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