Study finds such providers are in short supply and based mostly in urban areas

Baby had severe birth defect linked to mother's infection with the virus acquired outside U.S., officials say

Scientists say finding is key because these microbes play role in immune system development and more

Researchers cite concerns about possible long-term use and addiction

Panel does recommend screening kids for obesity starting at age 6

Study finds common medical conditions treatable in general ward treated more aggressively without better outcomes

Older adults who volunteer may benefit from better mental, physical health, study finds

More American Adults Using Marijuana: Survey

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