Why does my heart beat so fast for no reason?
Photo Credit: Courtesy of 3DStockPhoto (heart beat image)
Most of the time, they're caused by stress and anxiety, or because you've had too much caffeine, nicotine, or alcohol. They can also happen when you're pregnant. In rare cases, palpitations can be a sign of a more serious heart condition. So, if you have heart palpitations, see your doctor.