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Heart Health Archive

Articles

How do carbohydrates influence triglyceride levels?

Carbohydrate intake and other aspects of your diet may impact triglyceride levels. See how everyday choices may nudge this number up or down.

Which number in a blood pressure reading is more important?

Both systolic and diastolic readings matter. But large studies have shifted focus toward the top number. See what each reveals about heart risk.

Which foods can raise your LDL cholesterol?

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.

What is ventricular bigeminy?

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.

How gum disease may raise heart disease risk

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.

CPR on TV may be misleading

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.

Smart watch may improve detection of atrial fibrillation

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.

FDA approves nasal spray to treat rapid heart rhythm

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.

Understanding exercise heart rate zones

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.

4 keys to a heart-healthy diet

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.

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