Heart Health Archive

Curious which foods can drive up LDL, or bad, cholesterol? Explore the role of saturated fat and how Mediterranean-style eating may protect your heart.

A low HDL number can be worrisome even with normal cholesterol. Explore lifestyle shifts that may nudge your good cholesterol higher.

Bigeminy is a usually harmless heart rhythm problem caused by premature heartbeats that may cause palpitations. Possible triggers include caffeine, stress, and lack of sleep. People with additional symptoms may need further testing.

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.

Periodontal (gum) disease is linked to a higher risk of cardiovascular disease, possibly because gum disease can allow bacteria to enter the bloodstream, causing inflammation that damages blood vessels.

In late 2025, the FDA approved a nasal spray to treat a sporadic, rapid heart rhythm called paroxysmal supraventricular tachycardia (PSVT). The self-administered spray, called etripamil (Cardamyst), may help people avoid emergency room treatment for PSVT.

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.

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.

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.