Former Star Pitcher Urges Cholesterol Checks After Heart Procedure   •   Extra high school year may lower dementia risk   •   Anxiety Affects One Fifth of U.S. Young Adults   •   Smartphone use hurts teens sleep patterns   •   Americans increasingly view stress as normal   •   Former Star Pitcher Urges Cholesterol Checks After Heart Procedure   •   Extra high school year may lower dementia risk   •   Anxiety Affects One Fifth of U.S. Young Adults   •   Smartphone use hurts teens sleep patterns   •   Americans increasingly view stress as normal   •