Oct 2, 2013 — Since most fish contain some amount of mercury, public health officials suggest that pregnant women limit their intake to 12 ounces a week. But fresh research suggests current recommendations may be too cautious, and that fish may not be a huge source of mercury for expecting moms. Still, some doctors remain cautious.
Sep 26, 2013 — Contrary to earlier studies, new research suggests that omega-3 fatty acids may not stave off cognitive decline. We look at why this is hard to pin down — and examine the body of evidence that finds supplements may not be as effective as eating fish meals in protecting brain health.