No. 1 · 4 August 2026
Seven thousand, not ten
The 10,000-step target was never a guideline. New evidence shows where the benefit actually lives.
Where 10,000 came from
The 10,000-step goal did not come from a study. It traces back to a 1960s Japanese pedometer marketed as manpo-kei, roughly "ten thousand steps meter". The number was chosen because it sounded good, and it stuck for sixty years.
In 2025, a large dose-response meta-analysis in The Lancet Public Health pooled cohort studies of daily step counts. Around 7,000 steps per day was associated with a 47% lower all-cause mortality risk compared with about 2,000, a 25% lower incidence of cardiovascular disease, and a 14% lower incidence of type 2 diabetes. The benefit curves bent most steeply between 5,000 and 7,000 steps per day.
Two things are worth holding at once: these are observed associations across populations, not a guarantee for any one person, and no guideline body actually sets a daily step target. But the shape of the curve is useful. If you are near 2,000 steps today, the walk to 5,000 appears to carry more of the benefit than the push from 8,000 to 11,000.
Sitting is its own number
Step totals hide how the day is arranged. Long unbroken stretches of sitting show up in glucose readings: in adults with type 2 diabetes, breaking up sitting with brief bouts of light activity is associated with improved glucose.
A practical version: a two or three minute walk each hour you would otherwise sit through. If glucose after meals is something you and your doctor are watching, this is a small, concrete change worth bringing up at your next visit.
What to bring to your doctor
If you wear a device that counts steps, look at your median day over the last month, not your best one. That single number, alongside how it has moved since your last visit, tells your doctor more than any one great week.
A good question for the next appointment: given my own numbers, is there a reason for me to aim differently than the 5,000 to 7,000 range the evidence points to?
Aequa reads your records, labs, and wearables as one picture, keeps watch on it, and preps the doctor you already have. Every figure in this letter links to its published source, the same evidence corpus Aequa checks your own numbers against.
This newsletter is general information, not medical advice, and it is not about your personal readings. For decisions about your health, talk with your doctor.
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