People with the highest levels of exhaustion may be at increased risk of developing an irregular heartbeat.
Heart rhythm data from high-tech wearables could provide enough information to diagnose a heart attack.
Age-old myths about sleep habits have led some to believe they can get by on just five hours of shut-eye each night.
Electrolyte abnormalities, dehydration and inflammation are all potential side effects of low-carb diets—and they all create conditions that can lead to heart malfunctions.
Knowing where to seek medical help on vacation can make all the difference when heart attack symptoms are at play.
A second opinion led to a much less invasive fix for Janet Hanson.
The medicine that saved Martha McMurry’s life also damaged her heart. Today she’s cancer-free, and her heart is on the rebound.
After complex heart problems and several surgeries, little Graylyn Karaus is stretching, reaching and working toward walking.
Below-freezing weather may trigger reaction in people with clogged arteries.
Agency said the injection lowers blood sugar levels, and doesn't boost risk of heart problems.
When Lana Van Alstine refused to become a 'cardiac cripple,' her doctor found a way forward for her.
Rheumatoid arthritis-related heart and respiratory problems are main contributors to early death.