Amateurs Play Doctor for World's Poor

Medical students—and even undergrads—who volunteer abroad are often tasked with procedures they aren’t qualified to perform.

In 2008, NFL player Tim Tebow traveled to a Philippines orphanage run by his father Bob’s ministry. But while he was there he did more than regular missionary work—by the end of his trip, he was sporting rubber gloves and a mask while assisting with circumcisions, according to the Orlando Sentinel.