If you watch TV or browse the internet, you've probably heard the punch lines about Entourage star Jeremy Piven's bout with mercury poisoning. (David Mamet: "[He's] pursuing a career as a thermometer.") The mainstream media has treated the news as if it were a made up mystery ailment. But mercury poisoning is the real deal. Piven blames his acute mercury-poisoning symptoms (memory loss, dizziness, sensitivity to light) on the large amount of sushi he eats. If you're concerned about your fish intake, make sure that you're choosing fish with low mercury levels. Then get the latest fish news and mercury updates from the Monterey Bay Aquarium's Seafood Watch and these countrywide health organizations.