Fitness and health expert Denise Smith and her daughter Katie Austin join ABC News Live to spread a message about staying fit ...

Throughout the 1980s and 1990s, celebrities such as Raquel Welch, Suzanne Somers, Jane Fonda, Arnold Schwarzenegger and more used their voices – and toned physiques – to kick-start what would ...

Fitness icon Jillian Michaels, who appeared on shows like "The Biggest Loser," appeared on Fox News on Wednesday morning to discuss what she believes is a scary, growing problem in the United States.