LOSING IT WITH JILLIAN -- Episode 102 -- Pictured: (l-r) Michelle Mastropietro, James Mastropietro, Jordan, Jillian Michaels, Agnes Mastropietro, Michael Mastropietro, Nan -- Photo by: Trae Patton/NBC

Jillian Michaels is an expert fitness trainer who has seen just about every kind of issue and the affect it has on people – including the folks who deal with problems by using food.

And therein lies the through line with the families she’s living with for her new series Losing it with Jillian. More often than not, Michaels tells us, self-esteem, life-challenges and food go hand in hand.

Click onto video for Jillian Michaels’ comments about the causes of weight management and health.

Losing it with Jillian premieres tonight, 10:00 p.m. ET/PT on NBC.