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 ...
Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...
Toronto doctors have carried out a groundbreaking transplant with a heart that previously stopped beating, the University Health Network (UHN) says. In a news release Wednesday, UHN said the operation ...
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