Blog
Good biological age by age group: what is a healthy score in your 40s, 50s, and 60s?
What counts as a good biological age score depends on your decade. Age-banded benchmarks for your 40s, 50s, and 60s based on PhenoAge and KDM research.
Apple Watch VO2 max accuracy: how close is it to lab testing?
How accurate is Apple Watch VO2 max vs lab testing? Current studies, error margin, trust signals, and how to track cardio fitness over time.
FSH vs estradiol vs AMH in perimenopause: which test is most useful?
FSH vs estradiol vs AMH: how each hormone test performs in perimenopause, when to use it, and which to request first for the clearest answer.
Oral health and biological age: why gum disease ages the body
How gum disease accelerates biological aging through systemic inflammation, the biomarkers it affects, and evidence-based strategies to protect longevity.
Oral microbiome and longevity: how your mouth drives inflammation
How oral dysbiosis drives systemic inflammation and accelerates aging — the bacteria involved, the pathways, and what actually shifts the balance.
Perimenopause and biological age: which markers change before menopause?
How perimenopause accelerates biological age: the biomarkers that shift first, what to track in your 40s, and how to slow the transition-year changes.
Albuminuria vs proteinuria: what is the difference and which test matters for kidney aging?
Albuminuria vs proteinuria: understand the difference, which urine test tracks kidney aging, and why UACR is preferred over dipstick screening.
CGM vs fasting insulin: which finds metabolic aging earlier?
CGM and fasting insulin answer different metabolic-aging questions. Learn when insulin rises first, when CGM helps most, and how to use both together.
ApoB vs LDL cholesterol: Which marker matters more for longevity?
ApoB vs LDL cholesterol compared: why ApoB captures atherogenic particle count LDL can miss, when discordance matters, and how to act on your lipid panel.