Study: Virtual colonoscopy as good as other kind
CNN
"Virtual" colonoscopies done using a computer-assisted X-ray are nearly as accurate as the standard kind and may entice reluctant patients into having the embarrassing procedure, U.S. researchers say.

Plugging in for 90 minutes daily could hurt your hearing
CNN
Listening to loud music with earphones on a digital music player for more than 90 minutes a day can damage your hearing, according to a new study.

Positive emotions linked to lower blood pressure
CNN
Having a positive outlook makes life more enjoyable, and it may also lower blood pressure in older adults.