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.

Low thyroid hormone can quietly nudge LDL and glucose in the wrong direction. Learn more about the connection.

After a heart attack, a cardiac rehab program comprised of supervised exercise, lifestyle coaching, and emotional support can reshape daily habits and lower the odds of future trouble.

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.

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.

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.

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.

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.