: The Guardian reports that primates with longer thumbs often have larger brains.
As people age, the base of the thumb becomes a common site for health issues that can affect "big" or noticeable joint appearance: big mature tumbs
Primates with longer thumbs tend to have bigger brains, research finds : The Guardian reports that primates with longer
: A confident gesture after medical procedures or business meetings. big mature tumbs
: Mature adults frequently use the gesture during video calls or selfies to show they are "doing well".
: This often causes swelling or a "bump" at the base of the thumb.
In social contexts, the "big thumbs up" is a universal sign of approval and positivity frequently used by mature adults in photography to signal: