Should one work out on an empty stomach?
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Take-home advice from the new cholesterol guidelines
The 2026 lipid guidelines explain how people can estimate and lower their risk of a heart attack. They include information about tools and tests, updated targets for LDL (bad) cholesterol, and advice about lifestyle changes and medications.
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Get social and boost your cognitive function
Think games are just for kids? Activities like chess or bridge boost memory and, when social, enhance emotional connection—while teaching or volunteering can also keep your brain sharp and engaged.
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Get moving to enjoy these three benefits for your brain
Exercise boosts brain health and memory by improving blood flow and stimulating chemicals that support new brain cells. Aim for at least 150 minutes of moderate activity each week.
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For a better memory, manage your stress
Stress is your body’s response to physical or emotional pressure, and when it builds up, it can drain mental energy and impair memory. But there are ways to reduce stress and free your mind to think more clearly.
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Ask the Doc: How can I stop snoring?
Snoring is common, but factors like alcohol, medications, weight, smoking, and sleep position can all make it worse. In this Ask the Doc video, Harvard Medical School Dean Dr. David Roberts shares tips that can help reduce snoring and improve your breathing at night.
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The third-space benefits of exercise
Third spaces are physical locations outside the home and work where people meet and socialize with other individuals. Add in a fitness component—gyms, exercise classes, walking groups—and the mental and physical health benefits multiply.
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Why testosterone levels drop and when to consider treatment
Low libido, erectile dysfunction, fatigue, reduced muscle mass, hot flashes, and more may be symptoms of testosterone deficiency. Testing can help determine the diagnosis, and testosterone replacement therapy may help counter the decline in the hormone.
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Women’s unique risks for heart disease
Women have unique risk factors for heart disease, including pregnancy-related complications and a higher rate of autoimmune diseases. Anatomical and other differences also influence how heart disease manifests in women.
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After ablation, exercise may lower atrial fibrillation recurrence
After an ablation procedure for atrial fibrillation, getting at least 90 minutes of moderate exercise per week may reduce a person’s risk of an afib recurrence, according to a 2026 study.
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