Not exactly health related, but I found this study fascinating. Raises more questions than it answers, but very interesting. A few snippets:
The article is probably behind a paywall, but here is the abstract from the study:
https://www.biorxiv.org/content/10.1101/751115v1
The proteins in blood seem to undergo three waves of changes as we age, and can be used to determine a person’s biological age from a blood sample.
three waves of changes – at about ages 34, 60 and 78. The changes at 60 are likely to represent the fact that it is around then that most age-related diseases make themselves known
Lehallier and his colleagues have used their findings to develop a “proteomic clock” that can guess a person’s biological age based on 373 of the proteins found in their blood. The clock’s estimate, which applies to both men and women, strongly correlated with the volunteers’ chronological age.
The article is probably behind a paywall, but here is the abstract from the study:
https://www.biorxiv.org/content/10.1101/751115v1