3. Consider getting a quantified-self biometric device such as an Oura Ring, Garmin, Whoop, Fitbit, Apple Watch, or Levels Health blood sugar monitor, which tracks your blood sugar, blood pressure, heart rate, heart rate variability, sleep, activity, blood oxygen, and more. 4. Explore testing for biological age (DNA methylation, telomeres, immune age testing) as well as advanced screening for cancer and disease through liquid biopsies and full-body MRIs, and for hidden heart disease through AI-driven heart scans. 5. Start the Young Forever Longevity Diet