A doctor claims to have reversed their biological age, with some reports suggesting it was by 11 years. The exact methods used to achieve this are unclear, with various outlets citing different numbers of habits or steps, ranging from 3 to 9, and some mentioning specific practices such as fitness habits or supplements. The reports appear to agree that certain habits and changes can contribute to healthy aging and potentially reverse biological age, but the specifics and effectiveness of these methods are not consistent across accounts.