If, like Jeremy Piven, you’re a sushi devotee who eats fish twice a day, you might be interested in the latest about the actor’s departure from Speed-the-Plow after being hospitalized for exhaustion: “Dr. Colker said that these tests revealed ‘a very, very elevated level of mercury’ in Mr. Piven’s blood, adding that it was five to six times the upper limit that is typically measured. Left untreated, Dr. Colker said, the condition could result in heart problems, cognitive problems, renal failure and, in very extreme cases, death.” But who is this Dr. Colker? [NYT, Vulture]