heart health
  • Diving Mammals Endanger Their Hearts For Food

    Human divers have long known that they risk heart trouble every time they make for deeper depths. Holding your breath places strain on your heart, and the longer you do it for during physical exertion, the more you risk. Now new research has found that even mammals meant for deep-diving, like seals and dolphins, run these risks, proving that there are some things the heart simply cannot overcome.