Can too much exercise harm your heart? Cardiologist shares warning signs you should never ignore

While exercise is generally beneficial for heart health, it's important to be aware of the warning signs that you may be overtraining. A cardiologist warns that symptoms such as persistent fatigue, increased heart rate at rest, and difficulty sleeping could indicate that you're pushing your body too hard. It's essential to listen to your body and adjust your exercise routine accordingly to avoid potential harm to your heart.