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The approach would recognize changes in behavior and in the brain. Right now there are no treatments that slow down the disease, but identifying high-risk patients early on could help with prevention.

Host David Greene gets the latest from NPR's Frank Langfitt about the potential debris from Malaysia Flight 370 spotted by satellite imagery in the southern Indian Ocean.

Australian officials say they are searching the Indian Ocean southwest of Perth after satellite images found objects that are possibly connected to Malaysia Airlines Flight 370.

U.S. border officials are constantly on alert for drugs coming in from Mexico. But they are also on the lookout for huge sums of cash leaving the U.S. and trickling back into Mexican communities.

The latest drought has revived questions about the viability of farming in Nevada desert. While some farmers have given up, others are experimenting with crops like grapes that require less water.

Michael Smith has tattoo of a gun on his stomach. This week, he woke up to a crew cutting trees, so he went out tell them to stop — with his shirt off. A bit later he woke up again — to a SWAT team.

Venezuela has cracked down on student protests, leaving 29 people dead. The main square in Caracas, where protesters were based, has been dismantled. The opposition is divided over what to do next.

New advice to reduce heart attacks and strokes could more than double the number of Americans taking cholesterol-lowering statins to 56 million. The expansion could cost as much as $7 billion a year.

Some people are more likely than others to gain weight from frequently indulging in fried foods, scientists say. You can blame Mom and Dad for passing on the obesity risk genes.

Around the world, millions of families of Iranian descent will gather around a ceremonial table to mark the start of spring. This ancient Persian festival has a lot to do with fresh, green foods.