April 24, 2019 1:06 pm Be Clean & Lean Physician and best-selling author, Dr. Ian Smith, teaches us some easy and inexpensive ways to get clean and lean…just in time for the summer. You can get his bookhere! US & World Videos 1:21 Watch the trailer for NBC's My New Favorite Olympian 1:46 Heat waves getting hotter, longer, and more frequent because of climate change 1:03 More than 2,000 people buried alive in Papua New Guinea landslide, Government says 2:33 Group of UCLA workers to walk off job over Gaza war protest response 45:40 How this surgeon wants to reinvent the American urgent care center