Palpitations are feelings or sensations that your heart is pounding or racing. They can be felt in your chest, throat, or neck.| medlineplus.gov
Coronary artery disease (CAD) is the most common type of heart disease. It can lead to angina and heart attack. Read about symptoms and tests.| medlineplus.gov
Heart disease is the leading cause of death in the U.S. Learn about the different types of heart diseases, and what you can do to try to prevent them.| medlineplus.gov
Many people enjoy a cup of coffee or tea to give them a boost. But is it safe? Learn more about caffeine.| medlineplus.gov
It's normal to be anxious at times. It may be time to get help if anxiety attack is severe or when anxiety doesn't stop. Learn about anxiety disorders.| medlineplus.gov