This may not come as a surprise, but a survey released today by the Pew Internet & American Life Project found that people who use Facebook several times a day average 9 percent more "close, core ties in their overall social network compared with other internet users."
The survey notes that the average American has just over two (2.16) friends they'd call confidants. That number is up from 1.93 in 2008.
From the country that brought us the French Paradox — healthier people who pretty much eat what they want — there's a new study that suggests olive oil may help reduce the risk of stroke in older people.
More than 7,000 people age 65 and up in took part in the French project, which looked at how much olive oil they consumed and whether they had strokes.
Last week on Mount McKinley, ranger Tucker Chenoweth had a day unlike any other. Over the course of one day, he helped rescue three different climbers. That is as many as he often has in one season. Melissa Block speaks with Chenoweth about those rescues.
Melissa Block speaks with Ali Mokdad, global health professor at the Institute for Health Metrics and Evaluation at the University of Washington, about a study tracking the life expectancies of men and women in the United States.