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Vitamin D No Help For Colds

Some lab studies suggested vitamin D supplements might enhance immunity. But a clinical test in New Zealand found that taking vitamin D didn't reduce the frequency or duration of colds for the people who took the supplements.

Some States Dragging Their Feet On Health Exchanges

November marks the deadline for states to decide how they'll participate in health insurance exchanges. Those exchanges come from the federal health care law passed in 2010. To find out how much progress the states have made toward their decisions, Audie Cornish talks with Alan Weil, executive director of the National Academy for State Health Policy.

Democrats And Republicans Differ On Medicaid Fix

Medicaid is likely to undergo a major change regardless of whether President Obama is re-elected or replaced by Republican Mitt Romney. Democrats support a much bigger program. Republicans have plans to scale it back.