Thorough reviews of popular dieting books.

Harpo Productions has signed a development deal with multitalented actress and comedian Kirstie Alley for future television projects, including a possible daily strip format.

Oprah Radio host Bob Greene talks about gaining and losing pregnancy weight with new and expecting moms.

The actress lost almost 50 pounds, and she did it all on national TV. Valerie Bertinelli speaks out about how she lost it and what she does to keep it off. Plus, she's posing in a bikini!

As part of Oprah's Best Life Series, Oprah Radio hosts Bob Greene, Dr. Mehmet Oz, Gayle King and Peter Walsh talk about how to get back on the fitness wagon and share health, diet and exercise advice.