Watch the video "This Is What Happens to Your Body If You Run Every Day" - • Вот Что Будет с Вашим Телом, Если Бегать К...
I think we've all experienced that feeling when you start to feel a pain in your side while running. You're seemingly strong enough to run, and you feel fine, but then you get a stabbing pain in your side, a really intense one. What's causing it? Why? Should I be alarmed, or am I doing something wrong, and what should I know about it?