Many people focus on food when it comes to heart health, but drinks play a key role as well. A typical 8.4-ounce energy drink contains 80 milligrams of caffeine, according to the American Beverage Association, the industry trade group. The cardiologist sees young people, athletes and night shift workers reporting palpitations after consuming energy drinks to stay awake or feel more alert. How to get startedIf you’re a heart patient, don’t drink energy drinks, the cardiologist advises. Every Monday through Friday, different qualified experts share their best advice on diet, fitness, heart health, mental wellness and more.