21. Nick Jonas
Did you know that Nick Jonas was diagnosed with type 1 diabetes when he was just 13 years old? He ended up in the hospital while on tour with the Jonas Brothers, and doctors discovered his abnormal blood sugar levels. Nick Jonas has since gotten his health back on track and is doing incredibly well. He uses his diagnosis to help others and raise awareness of the condition. The singer tries to have a thoughtful lifestyle to keep his body as healthy as possible. Nick Jonas is also impressed with how far technology to help manage this condition has come in the 16 years since his diagnosis.