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Heart Attack Archive

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Heart problems and the heat: What to know and do

High temperatures raise risk for heat exhaustion and heat stroke, and also stress the cardiovascular system, making the heart work harder. If you have a heart condition, here's how to keep cool and protect yourself when temperatures rise.

How good is your cardiometabolic health - and what is that, anyway?

An analysis shows less than 7% of adults in the US meet the criteria for optimal cardiometabolic health. Taking small steps to help control and improve key risk factors can reduce the odds of a heart attack or stroke.

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 can I raise my HDL cholesterol?

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

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.

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.

Can weather affect blood pressure?

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.

Do sugars from fruit raise triglyceride levels?

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

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