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Heart Health Archive

Articles

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.

Could my LDL cholesterol level be too low?

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.

What could cause sudden leg weakness?

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

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.

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.

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