Atrial fibrillation Archive

An unusually low LDL result on a screening exam can be puzzling. Learn when small numbers reflect benefit and when they might signal a hidden problem.

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

Seasons can affect blood pressure. But winter chills, holiday weight gain, and salty comfort foods can also push readings higher as warm weather gives way to cold.

Legs that repeatedly give out after activity, then recover with rest, may point to more than low minerals and warrant prompt medical evaluation.

Regular blood donations can slowly drain iron stores, lowering hemoglobin levels. Iron supplements may help rebuild them.

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.

If you have high triglycerides, fruit sugar is only part of the story. Carbs, alcohol, weight, exercise, and healthy fats all influence this number.

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.

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.

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.