Overall, autoimmune diseases are common, affecting more than 23.5 million Americans. They are a leading cause of death and disability. Yet some autoimmune diseases are rare, while others, such as Hashimoto's disease, affect many people.
Heart palpitations can be triggered by stress, exercise, medication or, rarely, a medical condition. Although heart palpitations can be worrisome, they're usually harmless. In rare cases, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that may require treatment. Symptoms Heart palpitations can feel like your heart is:
The dangers of stress. While the jury may still be out on whether prolonged stress can damage the heart, we do know that stress can cause upsetting symptoms such as anxiety, insomnia, irritability and low self-esteem. It can also lead to unhealthy coping mechanisms such as drinking, overeating and drug use.