During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good, hard squeeze. You're using about the same amount of force your heart uses to pump ...

As humans, we’ve always related the heart to feelings and emotions. History added: “Since the human heart has long been ...

Some studies have already shown that such synchronization can occur in human-animal interactions ... the clients’ heart rate was significantly lower when they rode a real horse compared to ...