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A study finds that women who ate a Mediterranean diet plus four tablespoons of extra-virgin olive oil per day had a significantly lower risk of breast cancer compared with women on a low-fat diet.

Most potential new drugs don't work when tested in people. It's a major disappointment and it drives up the cost of developing new drugs. One big reason is the use of animals in medical research.

Apple was once considered the most innovative company in the tech sector. But by some accounts, it's being shown up by products from Amazon, Microsoft and now Samsung.

Candidates with the least money to spend are showing up in TV ads more often. In another twist, nice guys aren't finishing last.

Pakistan's former Prime Minister Benazir Bhutto was assassinated after speaking with thousands of supporters at a rally in Rawalpindi, near the capital. It was a rally for the Pakistani elections on Jan. 8.

New York Yankees pitcher Andy Pettitte admits using human growth hormone in 2002 — not banned by baseball until 2005. The Baltimore Orioles became the first team to publicly criticize the report. How will the league and players' union deal with issues detailed in the report?

The bus was traveling west on Interstate 70 when it crashed into commercial vehicles parked on an exit ramp, the Illinois State Police said.

Many GOP presidential hopefuls crisscross Iowa making a last-minute pitch to convince voters of their qualifications to be the party nominee. Mitt Romney and John McCain rally the faithful while rival Mike Huckabee left for Los Angeles for The Tonight Show with Jay Leno.

The Environmental Protection Agency has blocked California's efforts to establish tougher emission standards. Proposed regulations are no longer needed, the agency says.

Pakistan opposition leader Benazir Bhutto was killed in a suicide bomb attack on her vehicle. An aide of Bhutto's Pakistan Peoples Party says the leader was dead. It was not immediately clear whether she was killed in the bomb or by gunfire that preceded the attack.