50 articles published
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HDL is the one number on a lipid panel where higher has always sounded better, and where the …
Ferritin is the test where the reference range on your report is least likely to answer your question. …
Search "normal PSA levels by age" and you get a chart: 2.5 ng/mL in your 40s, 3.5 in …
Two things are true about eGFR and age, and reading only one of them is how people end …
Search "cholesterol levels by age" and most results show a chart with a decade in every row. The …
In January 2026 the US Dietary Guidelines told adults to eat 1.2 to 1.6 grams of protein per …
Magnesium is sold for sleep, anxiety, cramps, migraine, blood pressure and blood sugar. It has decent evidence for …
Almost every intermittent fasting trial that shows weight loss also shows people eating less. The interesting question is …
Collagen has better-looking evidence than most supplements: dozens of randomized trials, several meta-analyses, and consistently positive headlines. It …
NAD+ precursors are the most confidently marketed supplement category in longevity, and the human trials are the least …
About a third of American adults take a multivitamin, and the largest trials ever run on them missed …
Therapy pricing is opaque until you are three intake forms deep. Here are the posted numbers, read from …
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