Katie Couric gets heart-checked

After Katie Couric underwent a colonoscopy on live television in 2000, colonoscopy rates jumped by 20%. Research published in JAMA called it “The Katie Couric Effect.” Now, as part of American Heart Month, Yahoo News Global Anchor Couric is hoping to boost public awareness of heart disease in women by having her heart checked at the Barbra Streisand Women’s Heart Center at Cedars-Sinai Medical Center in Los Angeles, Calif.