Some of today’s biggest stars have battled some serious health problems this past year. Everyone’s favorite young star that played Harry Potter, Daniel Radcliffe admitted that he has had problems with self-confidence and has been fighting alcohol dependency this past year. Tennis star sisters Venus and Serena Williams both battled with their health this year. Venus was diagnosed with Sjogren's Syndrome which is a autoimmune disorder in which the body's white blood cells attack moisture-producing glands that in turn can cause problems with extreme fatigue, joint pain, and problems with other vital organs. While sister Venus had her problems sister Serena dealt with her own health issues as well. She was treated for a blood clot in her lung and then later survived a life threatening hematoma from the blood clot. While other stars such as Giuliana Rancic has been diagnosed with breast cancer, and singer Glen Campbell has been diagnosed with Alzheimer's disease. To read about more celebrity healthbattles click here.
