Pres. Trump has pushed back against growing scrutiny over his health. The president and his physician shared new details about a recent medical test, the visible bruises on his hand and defended his overall health. Selina Wang has details. https://abcnews.link/ID7E8Xy | ABC World News Tonight with David Muir

Over 160 million Americans prepare for "potentially catastrophic" winter storm Part 1 | ABC World News Tonight with David Muir

The world’s tallest teenager has taken his talents to the college basketball court. Nineteen-year-old Olivier Rioux, standing at 7 feet, 9 inches, suited up with the Florida Gators as a center on Thursday. Whit Johnson reports. | ABC World News Tonight with David Muir