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Heart Health Archive

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Sleep and brain health: What's the connection?

Sleep problems such as insomnia, sleep apnea, and periodic limb movements can disrupt sleep. A lack of sleep or fragmented sleep can prevent people from getting enough restorative deep sleep and may cause unhealthy blood pressure surges. These problems may increase the risk of cerebrovascular disease (including stroke and unrecognized silent strokes) and cognitive issues.

Repairing a thoracic aneurysm

A thoracic aortic aneurysm (a weakened area in the wall of the upper section of the aorta) may require surgical repair if it grows too large. Aneurysms in the area called the descending aorta can sometimes be repaired with a less invasive endovascular technique.

Keto diet is not healthy and may harm the heart

According to a 2024 review, the ketogenic (keto) diet-which is high in fat and protein and low in carbohydrates-doesn't meet standards for a healthy diet and may not be safe for some people with heart disease.

Should I worry about my fast pulse?

A normal pulse rate is between 60 and 100 beats per minute. Possible causes of an elevated pulse include fever, anemia, anxiety, or an overactive thyroid. Other possibilities include too much caffeine, decongestants, or being out of shape.

Dizzy spells when you stand up: When should you worry?

Orthostatic hypotension is a drop in blood pressure when standing up. If it ever leads to loss of consciousness or a fall, it can be dangerous.

Are eggs risky for heart health?

Large studies have not found evidence of higher rates of heart attacks, strokes, or other cardiovascular diseases in people who eat up to one egg per day.

Is metformin a wonder drug?

Metformin, a medicine prescribed to treat type 2 diabetes, also has cardiovascular benefits and is used off-label to treat other conditions. Interest is growing in its potential to help lower risks for other serious health problems and even slow aspects of aging, but which of these benefits, if any, apply to people who do not have diabetes?

Is a low heart rate worrisome?

I?ve read that a normal resting heart rate is between 60 and 100 beats per minute. Mine runs around 45 to 48. Should I be concerned? I have been a runner for 42 years and have completed seven marathons.

Lightheaded? Top 5 reasons you might feel woozy

Lightheadedness is a feeling of wooziness or faintness. It is commonly caused by dehydration, drug side effects, blood pressure drops, low blood sugar, heart disease, or stroke.

Combining cardio and strength exercises may lower heart risks

For improving cardiovascular risk, a workout that combines heart-pumping aerobic exercise and strength-based moves may be just as effective as an all-aerobic regimen, according to a 2024 study.

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