Women's health after 40, and what the research actually supports
Sarcopenia criteria, protein requirements, creatine evidence in women, and joint health.
If you have read anything about keeping muscle after sixty, you have probably met the advice twice over: eat more protein, and lift something heavy. Omega-3 turns up as a third item on that list more and more often, usually with a line about protecting muscle as we age. That line has real research behind … Read more
A protein label says 25 grams. That number came from a lab test — and the test didn’t measure protein. It measured nitrogen, then multiplied. Everything in this post follows from that one substitution. The measurement, and why it’s a proxy The two standard assays are the Kjeldahl method and the Dumas method. Both … Read more
SARC-F takes about a minute, requires no equipment, and is recommended in both the Asian and European sarcopenia frameworks as a first step. It also fails the standard criteria for a screening tool. Both statements are true, and the resolution is worth understanding before using it. What it asks Five items, each scored 0 … Read more
Sarcopenia is diagnosed by measuring three things: how much muscle you have, how strong it is, and how well you move. That part is settled. What isn’t settled is where the lines fall. And when one expert group redrew those lines in 2019, the share of men diagnosed in one dataset dropped from 31.9% to … Read more
High-dose vitamin D and fall risk is worth revisiting for a reason beyond vitamin D itself. It’s one of the clearest available examples of a pattern that keeps catching people out — including researchers who designed the trials. Most of us carry two assumptions about dose. First, more of a good thing produces more effect. … Read more