Can just talking and reading about bedbugs make you feel itchy? That’s a question New York Magazine set out to find the answer to in a recent post on its “Science of Us” blog. The author asked Psychology Professor Robert Provine the question and this was his response: Itching and scratching, like yawning, laughing, coughing, and vomiting, is contagious. Simply seeing someone scratching is enough to trigger your own bout of clawing, in a vain effort to rid yourself of pests, real or imagined. You don’t need to actually be bitten by a bedbug, louse, or flea — simply seeing their …