By Peter Dockrill – Science Alert –
A small organ located in the upper chest has been plagued by an identity crisis for decades now.
The thymus, which plays a crucial role in early life in helping to develop children’s immune systems, is known to decay and shrink with age, leading to it often being considered a relatively useless or defunct organ in adults.
But research is showing this maligned “immune cell graveyard” doesn’t actually lose its purpose when we grow up, as many had thought.
