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Heart Attack Archive
Putting potassium in perspective
Too much or too little potassium can harm the heart. Diet, medications, and kidney function can affect the body's potassium level. Dietary potassium helps keep blood pressure in a normal range, but most Americans don't consume enough of this mineral. However, people taking medications that raise potassium levels—which includes certain drugs to treat high blood pressure and heart failure—should avoid salt substitutes made with potassium chloride.
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 is the ideal blood pressure number?
Recent guidelines suggest a blood pressure reading of less than 120/80 mm Hg as normal. But the ideal number for individuals depends on their individual goals and whether they also have a chronic condition, such as heart disease or kidney disease.
Preventing repeat heart attacks: Mediterranean vs. low-fat diet
For people with heart disease, a Mediterranean diet prevents future heart problems better than a low-fat diet.
Happy heart syndrome: Even positive stress can affect the heart
Grief, fear, conflict, or other negative emotions can lead to an unusual type of heart attack, commonly known as broken heart syndrome. Rarely, positive emotions can also trigger the problem—and this "happy heart syndrome" may be more prevalent among men.
Too little sleep may be hard on your heart
Not getting sufficient sleep may harm the cardiovascular system by triggering physiological and hormonal changes that increase blood pressure, blood sugar, and blood levels of substances that indicate inflammation. People who don't regularly get at least seven hours of sleep a night should assess their daily habits to look for ways to improve, such as by establishing an earlier bedtime and turning off all electronic devices at least an hour before bedtime.
Stroke risk rises in people who develop depression after a heart attack
A 2022 study found that people who have depression after a heart attack are nearly 50% more likely to suffer a stroke compared with heart attack survivors who don't develop depression.
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.
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