What happens if some Healthspan data is missing?

The data stays missing. A factor with too little reliable information is shown as unassessed and isn’t counted as an unfavourable result. In other cases, Wellness Project gives a provisional or lower-confidence interpretation and explains what is missing.

What research is behind the Healthspan results?

The research depends on the factor. Cardio Age draws on FRIEND and VO2 max reference research; Strength Fitness on established 1RM methods; Body Composition on FMI, FFMI, and waist-to-height literature; and Phenotypic Age on Levine PhenoAge. Metabolic Health uses TyG and HOMA-IR, and Glucose Health uses HbA1c research and clinical reference ranges. Active Living and sleep regularity are Wellness Project’s own interpretations of published activity and sleep research. The eight-factor report as a whole is not presented as a clinically validated mortality or lifespan model.

How is Healthspan different from a biological-age score?

Phenotypic Age is already one of the eight factors, and Healthspan doesn’t average it with cardiovascular fitness, strength, sleep, and metabolism to produce another age. Someone can see that their cardiovascular fitness looks excellent while movement distribution or a metabolic marker needs attention.

Which wearables work with Wellness Project Healthspan?

Wellness Project connects directly to Apple Health, Google Health Connect, Fitbit, Oura, WHOOP, Ultrahuman, Withings and Polar, plus six scale, strength and nutrition apps. Garmin, Samsung Health and Amazfit data can arrive through Apple Health or Health Connect.