New CPR guidelines go into effect.
What happens when the vaccine for a childhood disease fails?
-asks Heather B. from Santa Rosa, CA
Watching the game might get your heart beating as fast as playing it.
Hospitals react to NYC's high maternal death rate.
--asks Anonymous from Glendale, CA.
Some people might be addicted to UV light.
A new formula might help curb the spread of the deadly disease.
Researchers suggest intervention is needed in immigrant populations.
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