Another article about this topic.

Ancient Skeletons Give Clues to Modern Medical Mysteries
DNA fragments from thousands of years ago are providing
insights into multiple sclerosis, diabetes, schizophrenia and
other illnesses. Carl Zimmer, New York Times, Jan 10, 2024
[web.archive.org]

The open access paper is:

Barrie, W., Yang, Y., Irving-Pease, E.K. et al. Elevated
genetic risk for multiple sclerosis emerged in steppe pastoralist
populations. Nature 625, 321–328 (2024).
[doi.org]
[www.nature.com]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)