Clear, cited guides to lab results, wearables and everyday health data, written by the Romy team.https://romyapp.io/blogenhttps://romyapp.io/blog/how-to-read-blood-test-resultshttps://romyapp.io/blog/how-to-read-blood-test-resultsReference ranges, H and L flags, units and trends: a calm, cited guide to what your lab report says, what it does not, and what to ask your doctor.Thu, 24 Sep 2026 00:00:00 GMThttps://romyapp.io/blog/hrv-explainedhttps://romyapp.io/blog/hrv-explainedWhat heart-rate variability really measures, why Whoop and Oura report different numbers, and why your own baseline matters more than any chart of normal.Thu, 24 Sep 2026 00:00:00 GMThttps://romyapp.io/blog/vitamin-d-levelshttps://romyapp.io/blog/vitamin-d-levelsWhat the 25(OH)D test measures, why labs and guidelines disagree on sufficient, how to read ng/mL and nmol/L, and what to ask your doctor.Thu, 24 Sep 2026 00:00:00 GMT