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Cholesterol and lipids Archive

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Under pressure: How stress may affect your heart

Mental stress ischemia occurs when emotional stress causes a decline in blood flow to the heart. The condition, which affects about one in six people with heart disease, may more than double a person's risk of heart attack. Mental stress ischemia appears to be caused in part by changes in the wall and inner lining of the heart's smallest blood vessels. Known as microvascular disease, this problem tends to be more prevalent in women. In contrast, a more common cause of chest pain is narrowing of the large arteries of the heart.

Adding potassium and subtracting sodium may equal better heart health

Consuming less sodium and more potassium may be linked to better heart health, according to a November 2021 study published in the New England Journal of Medicine. After controlling for other risk factors, the researchers found that for every extra 1,000 milligrams (mg) of sodium detected in the urine, there was an 18% increase in the risk of cardiovascular disease. For every extra 1,000 mg of potassium in the urine, there was an 18% decrease in risk.

Meal of the month: Stir-fry supper

Stir-fries feature a healthy dose of vegetables combined with lean protein and a flavorful sauce. When served over steamed brown rice, stir fries are a good example of a well-balanced, nutritious meal.

New guidance on return to youth sports and activity after COVID-19

Early in the pandemic, the American Academy of Pediatrics recommended that any child who tested positive for COVID-19 have an in-person evaluation with their pediatrician before returning to sports, but recently the AAP updated its guidance with recommendations based on the severity of a child's illness.

Scoring highly on Alternative Healthy Eating Index lowers risk for many illnesses

Most of us know a healthy diet reduces the risk of heart disease but may not know it's possible to choose a combination of foods that help lower risks for many illnesses. An index created by researchers at the Harvard T.H. Chan School of Public Health grades food choices and it's easy to incorporate components of this into daily eating habits.

A healthier butter for your heart?

Naturally occurring plant compounds called stanols can help reduce cholesterol. But they may not be found in large enough amounts in butter substitutes to reduce cholesterol levels in the body. The best way to lower is cholesterol is still by eating a plant-based diet with more fruits and vegetables and less processed foods, reducing consumption of saturated fat, and working to maintain a healthy weight.

The facts on fat and heart health

Dietary fat can both help and hurt heart health, depending on the source. Eating adequate amounts of the "good" fats—monounsaturated and polyunsaturated—can help reduce cholesterol levels and lower blood pressure. "Bad" saturated fat found in many processed foods can have the opposite effect. Following heart-healthy diets like the Mediterranean and DASH diets and making small substitutions in daily eating habits can ensure people get the proper amounts of good fats.

Getting through grief

The American Psychiatric Association has recently added prolonged grief disorder to its official list of classified mental disorders. Someone may develop this disorder when someone close has died within the past 12 months. The person may experience intense longing for the deceased or preoccupation with thoughts about him or her. These feelings occur most of the day and nearly every day for at least a month. Recognizing the signs and seeking out help with talk therapy are the best approaches to help prevent it from evolving to depression.

The best bedtime for heart health?

People who fall asleep between 10 and 11 p.m. may be less likely to develop heart disease than those who start their slumber earlier or later.

A new way to detect dangerous blood clots

A substance that binds to blood clots may one day offer a novel, less invasive strategy for finding dangerous clots in the heart and elsewhere in the body.

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