Medically reviewed by Christopher Lee, MD Key Takeaways Heart palpitations are noticeable changes in the way the heart beats.

Chest pain can be a scary symptom. It's not always serious, but it can be a sign you're having a heart attack. The issue, medical experts say, is that some patients experiencing chest pain don't want ...

People love going to horror movies and scary rides, they love the sensation of high adrenaline and anticipation. And for others, it is just a bad situation that they avoid. Things can get so hyper at ...