Stress doesn’t just affect your mental health. High stress can increase your risk of having a heart attack, as can a sudden surge of excitement or fear. Whether it is short-term or chronic, stress can ...

DEAR MAYO CLINIC: I've heard that all the stress of the holidays can lead to a heart attack. What's the link, and what can I do to reduce my risk? ANSWER: It's easy to get caught up in the stress and ...

After a heart attack, the body rapidly floods the injured heart with neutrophils - white blood cells that help repair damage but can also make it worse when too many arrive too quickly.