human ageing tissue changes ages 45 55 blood vessels

A study found especially fast aging changes around ages 45–55

Ages 45–55

A study of 516 tissue samples from 76 people found that some of the steepest age-related changes happened around ages 45–55, especially in blood vessels. Some organs showed strong changes at younger ages.

Three quakes released nearly half a century’s seismic moment

Almost ½

The 2004 Indian Ocean, 1960 Chile, and 1964 Alaska earthquakes together accounted for almost half of the seismic moment released by earthquakes worldwide from 1906 to 2005. The 2004 quake alone accounted for roughly one-eighth.

Prussian expansion cut Poland and Lithuania off from the Baltic

As Prussia grew, it cut Poland and Lithuania off from the Baltic coast and overseas trade, helping make them traditional enemies. Prussia’s fertile land also supported large wheat exports that linked it to the Hanseatic League and its Baltic ports.

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human ageing tissue changes ages 45 55 blood vessels

A study found especially fast aging changes around ages 45–55

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