The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...
In heart failure, the necessary oxygen levels and nutrients do not meet the body’s demands, setting off a domino effect of congestion in the lungs, kidneys and other areas. About 6.7 million adults in ...
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