New research from Ohio State University reveals genetic differences in the heart's natural pacemaker between men and women.

When the workload on the heart increases, the ventricular wall may thicken too, known as cardiac hypertrophy. This is an ...

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 ...