Season 4 Premiere!

Just how important is kissing in a relationship?

An all-new season of <i>The Doctors</i> welcomes new co-hosts Jillian Michaels and Dr. Wendy Walsh! Season four gives you more information, inspiration and tools to change your life! Plus, take five years off your face in five minutes.

Chris, whose daughters, Cassi and Addi, suffer from Niemann-Pick type C, joins the show to share encouraging words with Kristen, whose son Gavin also suffers from the disease, and explains how an experimental drug may offer hope.

Thanks to Jillian Michaels’ motivation, The Doctors' audience lost a combined 3,572 pounds and dropped their collective cholesterol levels by more than 1,200 points. Hear their incredible stories.