Diseases, Conditions, Syndromes

Study finds no increased risk of COVID-19 in veterans

The number of Scottish veterans who were hospitalized with COVID-19 or who died from the disease was no greater than in the wider community, according to new research published today.

Psychology & Psychiatry

Can an organ transplant really change someone's personality?

Changes in personality following a heart transplant have been noted pretty much ever since transplants began. In one case, a person who hated classical music developed a passion for the genre after receiving a musician's ...

Psychology & Psychiatry

Is emotional eating sabotaging your weight-loss efforts?

You know losing that extra weight would be good for your health. Your health care team talked with you about how obesity increases your risk of other health issues, such as heart disease, diabetes, high blood pressure and ...

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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