And what's the difference between good and bad cholesterol?
Understanding the difference between heart attacks and sudden cardiac arrest
Dear Doctor: I’m a 56-year-old man. I have been out of breath lately and have had some mild chest pains. My doctor wants me to have a stress test. Is it really necessary? What will it entail?
Dear Reader: The purpose of a stress test is to see how someone’s heart [...]
Taking the stairs has many health benefits