February is American Heart Month. We've been dealing with COVID-19 for more than two years. Now, a new survey shows the pandemic is taking a toll on our hearts in more ways than one. Erica Foreman explains. If you're wondering about your heart health, Doctor Kapadia says weight gain, especially belly fat, is a sign of insulin resistance and a red flag that you should take a look at your diet and exercise habits. And if you've recovered from COVID-19 but still feel short of breath, lightheaded or have palpitations, it's important to be evaluated by your doctor.