Heart Health Archive

Wearing an Apple Watch capable of recording an electrocardiogram may increase the detection of atrial fibrillation in older adults at increased risk for stroke, according to a 2026 study.

Television portrayals of hands-only cardiopulmonary resuscitation (CPR) aren't always accurate, according to a 2026 analysis. Inaccurate depictions involved the age of CPR recipients, how CPR was done and the location of where it was performed.

Exercise heart rate zones reflect different percentages of a person's estimated maximum heart rate. While some people find it helpful to monitor their heart rate zone during exercise, consistently engaging in physical activity is the most important priority.

For people with high blood pressure, practicing slow, deep breathing for 15 minutes a day can potentially lower blood pressure. Helpful techniques include 4-7-8 breathing, box breathing, and belly breathing. Devices to guide breathing exercises may also be useful.

The foundation of a heart-healthy diet should be minimally processed plant-based foods, which are good sources of fiber, protein, and phytonutrients. People should also limit saturated fat and make sure they consume omega-3 fatty acids.

A review of 17 studies found that for people at high risk of heart disease, cutting down on saturated fats may have lowered their risk of major cardiac events over the next five years, but people at lower risk did not see similar benefits.

Elevated levels of aldosterone (a hormone that regulates water, sodium, and potassium in the body) is an underrecognized and undertreated contributor to high blood pressure.

Two medications now in development, enlicitide and obicetrapib, can lower harmful LDL cholesterol and may be promising options for people who cannot tolerate statins or who still have high LDL despite their current treatment.