Former President Joe Biden has been diagnosed with an 'aggressive form' of prostate cancer, which has spread to his bones.The cancer appears to be hormone-sensitive, allowing for effective management, and Biden is reviewing treatment options with his physicians.Biden withdrew from the 2024 presidential campaign due to concerns about his health, despite having served as President from 2021 to 2025.During his long public life, Biden served as a senator from Delaware from 1973 to 2009, as well as vice president from 2009 to 2017.