Why Do Cats Purr?

The video explores the multifaceted nature of cat purring, which is not only a sign of contentment but also a self-medication mechanism. Cats purr at frequencies that can aid in healing and bone density improvement. This phenomenon is supported by scientific studies, suggesting that purring may help cats recover from injuries and could potentially benefit humans and astronauts. The video humorously imagines a scenario where a large number of cats could assist in rehabilitating astronauts.

What new insight or understanding did you gain from this video?