June 2009: Academy-award winning actress Halle Berry was 23 when she was diagnosed with type 1 diabetes after slipping into a coma during the taping of a television sitcom. Today, Berry is extremely careful with what she eats and keeps a strict exercise regime. Her routine also entails constantly checking her blood-sugar levels and giving herself insulin injections.
May 2009: Sharon Stone arrives on the red carpet for the screening of the film "Inglourious Basterds" at the 62nd Cannes Film Festival. The award-winning actress also reportedly suffers from type 1 diabetes.
September 2008: Actress Jean Smart was diagnosed with type 1 diabetes at the age of 13. In this photo, Smart is accepting the award for outstanding supporting actress in a comedy series for her work on "Samantha Who?" at the 60th Primetime Emmy Awards.
July 2006: Victor Garber is a six-time Emmy Award nominee, who has mastered television (“Alias”), film (“Titanic”) and theater (“Sweeny Todd”). He also had to master the role of a diabetic, a diagnosis that came at the age of 12.
June 2009: Mary Tyler Moore is best known for “The Mary Tyler Moore Show,” but she has used her fame to help raise funds and awareness for diabetes. Moore is the international chairwoman of the Juvenile Diabetes Research Foundation and most recently testified on Capitol Hill before the Senate Homeland Security and Governmental Affairs Committee hearing on Type 1 Diabetes Research. She has successfully managed the disease for 30 years.
June 2008: Pop star Nick Jonas, who also testified on Capitol Hill with Moore, was diagnosed with type 1 diabetes in 2005. Two years later, while performing at a Diabetes Research Institute fundraiser in New York City, Nick asked audience members to raise their hands if they had the disease. Then he raised his hand, revealing for the first time publicly that he has type 1 diabetes. “It is hard but I’ve always had it in my heart to be an inspiration and a positive voice of encouragement,” Nick told FOX & Friends in August 2008. “So the first time I heard someone say thanks for sharing, I thought if I can use this as an opportunity to inspire people, then it’s all worth it.”
March 2009: Elliott Yamin of “American Idol” fame was diagnosed with type 1 diabetes after his 16th birthday. Yamin has said one of his major goals as a celebrity is to educate people about the disease. His message for adolescents living with diabetes: "Stay positive."
September 2001: David Crosby is the founding member of The Byrds and Crosby, Stills & Nash. He has type 1 diabetes, which means he is insulin-dependent. A member of the Rock & Roll Hall of Fame, Crosby is also the biological father of Melissa Etheridge and Julie Cypher's two children, who were conceived through artificial insemination.
April 2008: Bret Michaels, the lead singer of Poison, and star of his own reality show, "Rock of Love," was diagnosed with type 1 diabetes at the age of 6. Micheals has described his diagnosis at such a young age as a “blessing in disguise,” because it has always been with him. These days, Michaels takes insulin three times a day, and keeps orange juice and Gatorade nearby when he performs in case his blood sugar becomes too low.
Elizabeth Perkins, best known for her role in "Big" and "Weeds," was diagnosed with type 1 diabetes in 2005.
She is one of 26 million Americans who have the disease. Perkins says she was in denial at first - and often took her medicine behind closed doors, without discussing it with anyone. Now, she wants to help others - she's partnered with Sanofi US to participate in "Diabetes Co-Stars," a campaign to improve patients' networks, which in turn will help them manage the disease.
Perkins is producing a documentary with her husband, Julio Macat, and will star in the ABC comedy "How to Live With Your Parents (for the Rest of Your Life)."
From rock stars to award-winning actors, find out which of your favorite celebrities suffer from type 1 diabetes