Dr. Ian Smith is here with anti-aging tips

Today is all about living your best life — at any age! Dr. Ian Smith is here with anti-aging tips from across the globe, and we're meeting the 20-year-old chef who's taking the culinary world by storm. Then, the 22-year-old host of "Brainchild" on Netflix, Sahana Srinivasan stops by — plus, an 81-year-old New Yorker whose secret to staying young at heart is roller skating AND a 94-year-old baker! And Rach is serving up a meat-free twist on a Philly classic.