like when your heart skips a beat. “It’s not that caffeine is causing it to skip, [caffeine] is just making it more obvious, more prevalent, and making it show up and cause symptoms,” says ...

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...