In this episode of Nova, three women at risk of developing Alzheimer's join a groundbreaking study to try to prevent the disease, while sharing their ups and downs, anxiously watching for symptoms, and hoping they can make a difference.

Diagnosed with an incurable form of cancer, 31 year-old Kris Carr exits her acting career upon diagnosis to film her journey for the next four years. Take a view into the intimate, anguishing - and sometimes humorous - world of living with cancer.

Never-before-seen footage and journal entries form the narrative spine of the documentary, allowing Gilda Radner to tell her own story; through the laughter and sometimes the tears. Incredibly, she was able to find humor in even the darkest of times. Her spirit lives on in comedy as a female trailblazer who continues to inspire many present day comedic performers.

Multi-disciplinary French artist Prune Nourry has gained international recognition for her thought-provoking, educational, and frequently humorous projects exploring bioethics through sculpture as well as video, photography, and performance. At the young age of 31, Purne is diagnosed with breast cancer. She starts documenting her treatment and its effect on her own body, turning her medical odyssey into an epic artistic adventure.

They thought it would last five weeks instead it went for 151 spectacular sold out shows over a triumphant year and a half across America. What made this tour extraordinary was that Glen had recently been diagnosed with Alzheimer's disease. He was told to hang up his guitar and prepare for the inevitable. Instead, Glen and his wife went public with his diagnosis and announced that he and his family would set out on a "Goodbye Tour".

The film features exclusive access to Hawking's life story, told largely in his own words. It includes dramatic accounts of his life from childhood through university, intimate footage of Hawking today, including his home routine and his work life at the University of Cambridge, archival footage and candid insights from family members, friends and colleagues.

Inspirational story of everyday heroes, nurses and caregivers who took extraordinary action to comfort, protect, and care for the patients of the first AIDS ward unit in the United States.

Tells the story of the final years of Freddie Mercury, when he was suffering from AIDS, and the posthumous concert staged by Queen to celebrate his life, raise awareness and challenge the prejudices around HIV/AIDS.

After being brutally attacked outside a bar and recovering from a coma and extensive physical injuries, Mark Hogancamp suffered brain damage and nearly total memory loss. Unable to afford therapy he spent the next few years building a scale model, World War II-era town, Marwencol, populated with dolls, where he lived out his fantasy life, and which he documented in photographs. When his photographs were discovered by an art magazine, a New York gallery...