Âm thanh chia sẻ

Your heart beats over 100,000 times a day — without a single break. Stop what you're doing right now. Put your hand on your chest. Feel that? That muscle has been beating every single second since before you were even born — sometimes as early as 22 days after conception. It pumps around 2,000 gallons of blood every single day. It never sleeps. It never gets a day off. Not once in your entire life. And the scariest part? Most people have no idea their heart is struggling — until it's too