How do you calculate a body age?

If you are older than 29, your body age will be calculated with your sex, BMI, blood pressure , TG,LDL, HDL,GOT,GPT,GTP,FBG,HBA1C,UA,CR from the result of your complete medical checkup. If one of these has a bad number, your body age goes up. Also, if you are under 30, our AI cannot accumulate the data properly, and sometimes your body age is calculated very high, even though your checkup result is not so bad.