Assessing the value of PRP therapy

A unique program using improvisational theater to remind Alzheimer's patients of the roles they used to play in life. Elaine Quijano reports on how the non-traditional therapy is helping people overcome the everyday challenges of the disease.

Ben Witter, known in the golf world as the Tiger Woods of trick shots, almost went pro until his diagnosis of salivary gland cancer. Now, his 16-year-old daughter is battling bone cancer. Jim Axelrod reports.

From sugar substitutes to migraine treatment options, "Early Show" medical contributor Dr. Holly Phillips answers viewer health questions.

A clinical trial of a drug treating advanced stages of breast and ovarian cancers is showing promising results. The drug targets cancer cells without the effects of chemotherapy. CBS News correspondent Bill Whitaker reports.

"The Early Show" profiles the "Mercury Masters," a group of older female runners who test their limits while being mindful of their age.

Erica Hill talks to medical contributor Dr. Holly Philips about the FDA's decision to take a closer look at the possible links between the birth control pill, Yaz and increased blood clots.

CBS News correspondent Wyatt Andrews reports on the decision of Health and Human Services Secretary Kathleen Sibelius to restrict the sale of the morning after pill, Plan B - against the recommendation of the FDA that the drug be sold over-the-counter.

Stephen Geist is a 60-year-old Cyclocross competitor who is pushing the limits of aging to learn what he can and cannot do as he tries to stay fit and active.

CBS News medical contributor Dr. Holly Phillips talks to Chris Wragge and Rebecca Jarvis about a new study of pregnant women that found that even half a cup of rice a day had levels of arsenic over the recommended limit.

Dr. Jon LaPook reports on the experimental treatment Platelet Rich Plasma therapy, a procedure that appears to help heal a muscle, tendon or joint injury without surgery.

CBS News correspondent Debbye Turner Bell reports on an experimental vaccine for a deadly form of brain cancer that's being tested on dogs that stimulates the patient's own immune system to fight the tumor, and perhaps even prevent a recurrence of the disease.

Not long ago, a diagnosis of HIV could mean a death sentence, but now, a growing number of people are living longer and healthier lives with the virus. Erica Hill talks to Dr. Kevin Fenton, director of the National Center for HIV/AIDS, in Atlanta, about where we stand in combating the disease.