Sleep disorders

CPAP helps cut heart risks—but you have to actually use it

For sufferers of sleep apnea, continuous positive airway pressure (CPAP) machines may guard against having a second heart attack, stroke or other cardiovascular crisis, but they have to use it consistently, a new study finds.

Cardiology

Few people with heart failure may get a critical type of care

Medicare coverage for cardiac rehabilitation for some people with heart failure was expanded almost a decade ago, and medical guidelines recommend it. Yet those who could benefit often don't get it, a new study finds.

Medical research

Unraveling long COVID's causes and impacts

Most of the time, viruses leave our bodies as quickly as they arrived. After we suffer a week or two of fever, muscle aches, and other indignities, a surge of antibodies sends the miniature invader on its way. Case closed.

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