By Dana Santas, CNN

By Madeline Holcombe, CNN

Dr. Jamin Brahmbhatt

By Sandee LaMotte, CNN

By Brenda Goodman, CNN

By Madeline Holcombe, CNN

By Jen Christensen, CNN

By Andrea Kane, CNN

By Deidre McPhillips, CNN

By Kameryn Griesser, CNN

By Brenda Goodman, CNN

By Brenda Goodman, Sarah Owermohle, Meg Tirrell, CNN

By Brenda Goodman, CNN

By Dr. Jamin Brahmbhatt, CNN

By Kameryn Griesser, CNN

By Katherine Dillinger, CNN

Text by Madeline Holcombe and video by Lacey Russell, Jocelyn Contreras and McKenna Ewen, CNN

By Jen Christensen, Amanda Sealy, Nadia Kounang, CNN

By Jacqueline Howard, CNN

By Kristen Rogers, CNN

By Brenda Goodman, CNN

By Andrea Kane, CNN

By Katia Hetter, CNN

By Soph Warnes, CNN

By Katherine Dillinger, CNN