ER visits tied to energy drinks double since 2007

Risk to all ages: 100 kids die of flu each year

Experts: Proposed NY gun law might hinder therapy

Vegas woman who couldn't stop growing dies at 34

Severe Beijing smog prompts unusual transparency

Hospitals crack down on workers refusing flu shots

Link between pot smoking and IQ drop challenged

Flu more widespread in US; eases off in some areas

Q&A: Scramble for vaccine as flu season heats up

Key Things to Know About This Flu Season