Cardiology

Scientists discover new way fat harms your arteries

Scientists may have found a way that obesity directly damages the arteries and contributes to heart disease—a discovery that they say could eventually lead to new treatments.

Medical research

No bones about it, this protein slows down fracture-healing

Broken bones are a bigger deal the older you are: even after they've healed, the bones of older people are weaker and more likely to re-fracture. And since more than 6 million Americans break a bone each year, figuring out ...

Cardiology

Can you still be healthy if you're overweight?

(HealthDay)—If you're overweight but have dodged chronic health issues like high cholesterol and high blood pressure, you might not think that losing weight is a priority. But an analysis of five years of records on 3.5 ...

Cardiology

Antibody 'road block' enables fine-tuning for cardiac recovery

More than one million Americans per year experience myocardial infarction, commonly known as a heart attack, as well as the healing and rebuilding phase that begins shortly thereafter—a complicated process which involves ...

Medical research

Engineering lymphatic vessels as a therapeutic to heal the heart

The cardiovascular system is a complex network of veins, arteries and capillaries. Within that network, lymphatic vessels are critical to the heart's ability to heal in the event of a heart attack. When they're functional, ...

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Heart

The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods. The term cardiac (as in cardiology) means "related to the heart" and comes from the Greek καρδιά, kardia, for "heart."

The heart of a vertebrate is composed of cardiac muscle, an involuntary striated muscle tissue which is found only within this organ. The average human heart, beating at 72 beats per minute, will beat approximately 2.5 billion times during a lifetime (about 66 years). It weighs on average 250 g to 300 g in females and 300 g to 350 g in males.

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