Hibernating bears don’t get blood clots. Now scientists know why
A key clotting protein decreases in the slumbering bears — and other immobile animals
![A photo of a brown bear walking through a field of green leaves and other plants with trees visible throughout.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/04/041323_eg_bears_feat.jpg?fit=1030%2C580&ssl=1)
When a brown bear settles down for hibernation, its body makes adjustments to prevent developing dangerous blood clots while immobile, a new study shows.
Ole Frøbert and T. Petzold