It's harder to stumble into viral video fame these days. But YouTube has just released a list of the top ten videos that managed to find massive viral viewership this year.

Five years ago, when YouTube pieced together its first list of the year's top ten videos, many were accidental home videos or amateurish films never designed for widespread consumption, said Kevin Allocca, a trends manager for the company.

With...New heart guidelines may put 12.8 million more Americans on statins

CHICAGO (Reuters) - New guidelines on heart health that
sparked fierce debate among U.S. cardiologists last fall could
lead 12.8 million more Americans to take cholesterol-lowering
statin drugs, U.S. researchers said on Wednesday.

The new estimate would mean 56 million people, or nearly
half of the U.S. population between the ages of 40 to 75, could
be eligible for taking a statin to prevent heart disease. The
findings were published on Wednesday in the New England Journal
of Medicine's online edition.

Most of those would be people over age 60, according to the
new analysis, which is the first to quantify the impact of the
guidelines issued in November by the American Heart Association
and the American College of Cardiology.

The recommendations represent a major change in assessing a
person's risk for