A to Z Health Guide 2007

T - Z
ISM / PHOTOTAKE

Uterine Fibroids

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Women suffering from painful but benign uterine fibroid tumors may have a noninvasive source of long-term relief. A new study led by the Mayo Clinic found that an outpatient treatment using high-intensity ultrasound can eliminate growths and keep them from returning for extended periods. The procedure leaves the uterus intact, so it is less traumatic than a hysterectomy — though only that more invasive procedure is known to eliminate tumors permanently.

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