Natasha Henstridge says diet pills did her body in, but now she's clean, healthy and fit.

Probiotics -- we know they're linked to a long list of healthy benefits, but can they also help fight belly fat? Jonny thinks so ... find out why.

Jillian Michaels doesn't argue that she's pushy, but when a contestant on "The Biggest Loser" accused her of pushing drugs, she got even tougher.

Craving a cool treat on a hot summer day? Find out exactly how many calories that frozen yogurt has.

Fat on the gut or fat on the butt -- which is more dangerous? Fitz has the skinny.

Looking for a fun or quirky way to perk up your exercise routine? Laura's got 'em, including scheduling a boudoir session and donating to a cause you hate when you slip up.

Nina Vardalos lost weight after a diabetes scare. Have you ever been inspired to fitness by a big wake-up call?

Grabbing that brass ring this summer and going for a marathon? Learn how to take care of your body and protect yourself from risks before and during the race.

If you're the kind of person who likes to pay attention to detail, check out the new book "Conquer the Fat-Loss Code." Sounds complicated, but some people like that sort of thing.

You've probably heard about that mythical "fat burning zone," right? Here's a reason not to worry about it anymore. Liz says exercise burns fat (period!) and that we all should be mixing up our high and low intensity workouts.