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Heart Health Archive

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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.

Putting processed foods into perspective

Whole or minimally processed foods tend to be best for heart health. But many processed foods-and even some that are ultra-processed-are also good options, provided people choose wisely. In three large studies, ultra-processed whole-grain bread, breakfast cereals, and yogurt were linked to a lower risk of type 2 diabetes and cardiovascular disease. Artificially and sugar-sweetened beverages, processed meats, and ready-to-eat dishes were linked to higher risks of those conditions.

Push past your resistance to strength training

Resistance training (also called strength training or weight training) can improve heart-related risk factors such as blood pressure, blood sugar, blood lipids, and body composition. It's especially beneficial for older adults and people with an elevated risk for heart problems. A 2024 scientific statement from the American Heart Association recommends focusing on eight to 10 different exercises that target all the body's major muscle groups. Examples include chest presses, biceps curls, squats, and abdominal crunches.

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