A to Z Health Guide 2007

A - F
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Flu

Article Tools

Getting the flu is never fun, but for small children it can be downright dangerous. That's why the FDA lowered its age recommendation for FluMist, the nasal-spray flu vaccine, from 5 years and older to ages 2 and up. Even as more kids get in line to be inoculated, there should be plenty of vaccines for everyone. After recent alarms over shortages, the agency expects 132 million doses of influenza vaccine to be available this winter, up 10 million from last year. The increase is in large part due to the latest addition to the immunization arsenal: Afluria was approved in September by the FDA for adults 18 and over.

Science

What Makes Us Moral

Morality and empathy are writ deep in our genes. Alas, so are savagery and bloodlust. Science is now learning what makes us both noble and terrible—and perhaps what can make us better

Interactive

The Morality Quiz

Here are some of the dilemmas used to study human morality. Take this quiz to see how you compare to other TIME.com readers

A-F

From Autism to Flu

G-M

From Gardasil to Migraines

N-S

From Naps to Suicide

T-Z

From Tuberculosis to Zoledronic Acid