This week: weight obsession, peanut allergies and stress management

How do we break our cultural obsession with weight? Author Harriet Brown says we must:

1. Stop fat talking about ourselves,
2. realize that being thin does not mean one is healthy, just as being fat does not mean one is unhealthy, and
3. take our emphasis off of people's appearances.

Brown, a Syracuse University professor, speaks about what led her to write the book, "Body of Truth -- How Science, History and Culture Drive our Obsession with Weight and What We Can Do About It."

Also this week: Dr. Donna Bacchi talks about the importance of stress management and Dr. Deborah Goldman addresses new findings about peanut allergies.