Top stories in health and medicine, October 9, 2012

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1. Study Questions Drug Expiration Policy. Prescription drugs retained their potency for as long as 40 years after expiration date, an analysis of 14 different compounds showed.

2. Meningitis Outbreak: Cases Climb to 105. Public health officials say there are now 105 cases of the rare and deadly fungal meningitis, with nine states reporting cases.

3. Mercury in Fish Associated with ADHD. Prenatal exposure to mercury through maternal fish consumption was associated with attention-deficit and hyperactivity behaviors in children, yet fish in the mother’s diet also appeared to be neuroprotective.

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