There's always been this oft-recited piece of advice about oysters: Only eat oysters in months that contain the letter "R" in the name. You know, September, October, December, January. Not June, July, August.
But if this is true, how do millions of restaurants sell them year-round to people who seem just fine after eating them? If we've been eating oysters all summer, have we been putting our health at risk? I put the question to two oyster experts: Chris Sherman at Island Creek Oysters and Rowan Jacobsen, author of A Geography of Oysters. Here's what they had to say.