Why hot weather makes us lose our cool

The American Medical Association is recognizing obesity as a disease. Dr. Lou Aronne, an obesity specialist at New York Presbyterian Hospital, speaks to the "CBS This Morning" co-hosts about the change and what it means for health care costs and prevention.

Americans spend $34 billion a year on vitamins, supplements and alternative therapies. Now, a new book debunks treatments that may not really work. Dr. Paul Offit of the Children's Hospital of Philadelphia discusses his book, "Do You Believe in Magic?" with the "CBS This Morning" co-hosts.

Super hot peppers can make you sweat and tear up, but CBS News' Mark Strassmann reports how they also may fight cancer.

The Supreme Court has unanimously decided that human genes cannot be patented. The ruling was a defeat for the company that controls a genetic breast cancer test used by Angelina Jolie. CBS News contributor Dr. David Agus discusses the ruling and what it means for breast cancer testing.

The parents of Sarah Murnaghan, 10, challenged a rule that kept her off a list for life-saving lung transplant. Terrell Brown reports on the transplant debate and how the young recipient is doing after the controversial surgery that's being called a success.

A long-term study from the Mayo Clinic highlights the danger of sleep apnea and its connection to cardiac arrest. Dr. Carol Ash, director of sleep medicine at Meridian Health, talks to the "CBS This Morning" co-hosts about how to recognize the symptoms of this disorder.

A new weight loss drug, Belviq, could be promising for some patients. Dr. Louis Aronne, of New York Presbyterian/Weill Cornell Medical Center, explains that this medication is only for people who have complications with their weight, or are severely obese.

A 10-year-old girl with cystic fibrosis that desperately needs a lung transplant now has a better chance of getting one, thanks to a judge's decision. CBS News' Terrell Brown reports.

Once the top-selling diabetes pill in the world, Avandia was severely restricted by the FDA after reports that taking the drug could raise the risk of heart attack. But now, the agency may reverse those restrictions. Dr. Jon LaPook discusses the potential move and what it could mean for diabetes sufferers.

Organ transplant rules prevent children from receiving lungs from adults. CBS News' Elaine Quijano reports on a Pennsylvania girl whose parents are fighting to change that rule.

A new study finds using sunscreen every day may keep you looking younger. Dr. Elizabeth Hale - a Clinical Associate Professor of Dermatology at New York University's School of Medicine, discusses the study with the "CBS This Morning" co-hosts.

Michael Douglas blamed his throat cancer on oral sex and HPV in a recent interview. Oncologist Dr. David Agus - a CBS News contributor - explains the facts about the possible connection and the risks of HPV.