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Erica Hill reports on a school in Calif. that has incorporated yoga into its daily curriculum and since it started, suspensions are down 60 percent and test scores have risen.

Erica Hill and Jeff Glor talk to Dr. Holly Phillips about new research that shows three servings of whole grain fiber a day may help lower the risks of colorectal cancer.

Erica Hill and Jeff Glor speak with Carmen Wong Ulrich about new health care rules that will affect those who smoke or who are overweight.

Erica Hill and Chris Wragge talk to registered dietitian Keri Glassman about low acid diets and how they're used to treat heartburn.

A medical center in Maine is offering a different kind of payment plan in order to make health care more accessible. Erica Hill reports on the center's barter for health care program.

With more than two million cases of skin cancer per year, a panel of health care experts is releasing a new set of sun safety and skin cancer prevention guidelines for young people, ages 10 to 24. Erica Hill and Chris Wragge get the details from Dr. Holly Phillips.

A new study suggests people who live happier lives live longer. Erica Hill speaks to the author of "The Happiness Project" Gretchen Rubin and profiles how this philosophy changed the life of one woman.

Erica Hill and Chris Wragge talk to Dr. Michael Smith, chief medical editor at WebMD, about a new government panel recommendation that says boys should get the controversial HPV (Human papillomavirus) vaccine.

Erica Hill and Chris Wragge talk to Dr. Holly Phillips about new research that reveals women with cancer-causing strains of human papillomavirus may be at increased risk for cardiovascular disease and stroke

Erica Hill and Jeff Glor talk to Dr. Arthur Agaston, author of the famed South Beach Diet series, shares tips from his new book, "The South Beach Wake-Up Call: Why America Is Still Getting Fatter," on how to develop and stick to a healthy diet and lifestyle.

Erica Hill talks to Sen. Claire McCaskill (D-Mo), who recently decided to make a very public commitment - via Twitter - to shed some pounds.

Doctors believe vitamins are best absorbed through a healthy diet, but some healthy foods may lose their nutrients over time.

In America, there are four times as many cancer survivors as there were 40 years ago.

New research has found a link between dietary supplements and a slightly increased risk of death in older women. Erica Hill and Chris Wragge talk to CBS News medical correspondent Dr. Jennifer Ashton.

A new Muppet named Lily has found her way to special edition of "Sesame Street" called "Growing Hope Against Hunger." The character will talk to the show's young viewers about poverty, hunger and the insecurities they might have over their family's ability to have enough to eat. Erica Hill talks to Lily and Dr