A large analysis of data from nearly 400,000 healthy U.S. adults followed for more than 20 years has found no association between regular multivitamin use and lower risk of death. The study, "Multivitamin Use and Mortality ...
Jun 26, 2024
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Nearly a third of all adults are not doing enough physical activity, posing a growing threat to health across the world, a major study said on Wednesday.
Jun 26, 2024
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People with an irregular heart rhythm taking a common blood pressure drug may be at greater risk of serious bleeding, according to a study recently published in JAMA.
Jun 21, 2024
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If national guidelines are revised to incorporate a new risk equation, about 40% fewer people could meet criteria for cholesterol-lowering statins to prevent heart disease, according to a study by researchers at the University ...
Jun 10, 2024
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The human body has sophisticated defenses against the deposition of calcium minerals that stiffen heart tissues, researchers at the University of Illinois Urbana-Champaign and collaborators at UCLA Health and the University ...
Jun 27, 2024
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The Alzheimer's Association has published revised criteria for the diagnosis and staging of Alzheimer's disease that are based on the biology of the disease and reflect recent advancements in research, diagnostics and treatment.
Jun 28, 2024
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A new study led by Dr. Shir Atzil and her team from the Department of Psychology at the Hebrew University unveils intriguing insights into the mechanisms of romantic bonding, focusing particularly on physiological synchrony—the ...
Jun 19, 2024
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Scientists at the Victor Chang Cardiac Research Institute in Australia have produced a first of its kind integrated map of heart cells which unlocks the process of cardiac fibrosis—a major cause of heart failure.
Jun 21, 2024
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An international research team, coordinated by academics from the University of Bologna and the IRCCS—Policlinico Sant'Orsola Hospital, has identified a key growth factor capable of exerting a proliferative and regenerative ...
Jun 12, 2024
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Children born via frozen embryo transfer have similar metabolic profiles to those born via fresh embryo transfer, according to a study published June 6 in the open-access journal PLOS Medicine by Linlin Cui and Zi-Jiang Chen ...
Jun 6, 2024
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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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