blog/
5 pages · Updated April 30, 2026
Pages
- How different wearables measure HRV: SDNN vs RMSSD
- How Apple Watch estimates VO2Max to 1.2 ml/kg/min without a treadmill test
- Four Lp(a)-lowering drugs in trials reduce levels by up to 94%.
- Apple Watch's heart rate monitor is accurate to 5bpm 89-98% of the time
- Apple Watch's calorie counts can be accurate within 18-40%—if you follow these steps.