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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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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Researchers at Boston Medical Center (BMC) and Boston University (BU) Chobanian & Avedisian School of Medicine, in collaboration with an international team of scientists, shared findings from a new study published in the ...
Jun 27, 2024
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An announcement from the National Academies of Science, Engineering and Medicine of a consensus definition of "long COVID" mentioned that it was not the final word on the condition but that the definition would be revised ...
Jun 24, 2024
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Cleveland Clinic and app developer FitNow, Inc. have launched the Cleveland Clinic Diet app, which offers health and diet advice built upon evidence-based nutrition science and clinical success, paired with a comprehensive ...
Jun 27, 2024
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A device for monitoring sweat and hydration based on a rigorous study from the University of Massachusetts Amherst is commercially available for the first time and ready to help protect "industrial athletes" from dehydration ...
Jun 24, 2024
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The sheer scale of undiagnosed heart valve disease in our aging population has been revealed for the first time, thanks to new research led by the University of East Anglia.
Jun 26, 2024
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Moderate levels of physical activity and fitness may be linked to a reduced risk of amyotrophic lateral sclerosis (ALS) later in life, according to a new study published in Neurology. However, the study only found an association ...
Jun 26, 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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