A reader who recently had joint surgery asks Joe Graedon of The People's Pharmacy if the naproxen he was taking for pain could be the cause of his suddenly elevated blood pressure. Graedon discusses current research on naproxen and other non-steroidal anti-inflammatory drugs' (NSAIDs) effects on blood pressure. The research shows that naproxen (the active ingredient in Aleve) is the only NSAIDs that has not been shown to raise blood pressure, he says, though it has been linked to other side...