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Studies show the caffeine in just a few cups of coffee enhances performance in a wide range of sports. But more isn't better, and concentrated caffeine can be lethal.

Food prices are higher at the grocery store this summer, thanks to drought in Texas and California. But at least the drive to the store won't cost as much: Gasoline prices have been falling lately.

While France's leaders had feared an attack, Ambassador Gerard Araud says, "what happened was in a sense maybe worse than what we were expecting, because it was done in a very professional way."

Though much of the emphasis in this measles outbreak has been on children, most of the people getting sick are adults. That has more than a few grown-ups wondering if they're vulnerable.

It used to be that dry-eye syndrome was considered a problem for middle-aged women. But with all those screens we're staring at, that nasty sandy feeling is becoming much more common.

The latest labor report indicates a slowdown in job growth, but many economists aren't buying it. They say other data paint a stronger picture, but the jobs numbers may delay higher interest rates.

North Dakota and Colorado voters struck down the "personhood" measures, which would give legal rights to fetuses. But Tennessee's Amendment 1 passed with 53 percent of the vote.

If you buy your own health insurance, it's time to check out the options on the Obamacare exchanges. Enrollment starts Nov. 15.

President Obama has been meeting with civil rights leaders and other officials to discuss mistrust of police in communities of color. Obama is announcing a task force on "21st century policing."

Merck's Vytorin reduced the risk of heart attack and stroke more than a cholesterol-lowering statin alone. The findings come from an international study of more than 18,000 people in 39 countries.