Blog
Non-HDL cholesterol vs ApoB: which is more useful?
Non-HDL cholesterol vs ApoB: learn what each lipid marker shows, when non-HDL is enough, and when ApoB gives a clearer cardiovascular risk signal.
Hostility and cardiovascular aging: how chronic anger ages the heart faster
Cynical hostility predicts heart disease and accelerated aging. Why chronic anger damages arteries — and what 50 years of research says about reversibility.
How fast should eGFR decline with age? Normal slope vs accelerated decline
How fast should eGFR decline with age? Normal loss is 0.7-1.0 mL/min per year after 40. Learn when your year-over-year slope is concerning.
Retinoids for skin aging: how tretinoin, retinol, and retinaldehyde actually work
Tretinoin, retinol, and retinaldehyde are the only topical class proven to reverse photoaging. Here's the evidence, the conversion ladder, and how to start without wrecking your skin.
Subclinical hypothyroidism: when slightly elevated TSH needs treatment and when it doesn't
Subclinical hypothyroidism affects 1 in 10 adults. Learn when slightly elevated TSH (4-10 mIU/L) needs levothyroxine, when to wait, and what it means for longevity.
Mold exposure and accelerated aging: What the evidence actually shows
Does mold really age you faster? An honest review of the evidence linking damp homes, mycotoxins, and chronic inflammation to biological aging — what's proven, what's hyped, and what to do.
Presbyopia: why your near vision changes after 40 and how to fix it
Presbyopia is the age-related loss of near vision starting around 40. Learn why it happens, what works, what doesn't, and what your eyes reveal about aging.
TSH normal range by age: how to interpret thyroid results without panic
TSH normal range shifts with age. 2026 reference values by decade, what subclinical hypothyroidism means after 60, and when slightly high TSH may protect longevity.
Erectile dysfunction as a cardiovascular warning sign: why ED can precede heart symptoms by 3-5 years
Erectile dysfunction can be an early cardiovascular risk signal. Learn why ED may precede heart symptoms and what clinical checks to discuss.