Systemic sclerosis is on the rise in Quebec, especially in children, study finds
The number of new cases of systemic sclerosis (SSc) is on the rise in Quebec, particularly among children, a new study has found.
13 hours ago
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The number of new cases of systemic sclerosis (SSc) is on the rise in Quebec, particularly among children, a new study has found.
13 hours ago
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Cognitive decline is inevitable as we age, but a research team led by Professor Yow Wei Quin from the Singapore University of Technology and Design (SUTD) is finding ways to slow the decline through language.
15 hours ago
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Physical activity is important for children; it supports improved health, development and sleep. However, children in the early years (from birth to age 5) with disabilities are consistently underrepresented in national monitoring, ...
19 hours ago
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Daily sugar intake fell by around 5 g in children and by around 11 g in adults in the 12 months following the introduction of the UK's "sugar tax," formally known as the Soft Drinks Industry Levy, finds an analysis of 11 ...
Jul 9, 2024
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In an analysis of more than 50,000 individuals from around the world, carriers of gut Blastocystis, a single-celled organism that has been labeled either a parasite or harmless organism but is commonly found in the digestive ...
Jul 8, 2024
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Accurate modeling is crucial during pandemics for several reasons. Political bodies must make policy decisions, which can take weeks to become law and even longer to implement. Similarly, public health organizations such ...
Should heroin and cocaine be legally available to people who need and want them? If we are serious about stopping the crisis of drug overdose deaths, that is exactly the kind of profound change we need. Yes, extensive regulations ...
Jul 7, 2024
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The risk of post-COVID-19 condition is lower after an omicron infection, after a fourth vaccination and if the person did not develop post-COVID-19 condition after the first infection. This is shown by a nationwide survey ...
Jul 4, 2024
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In biology, an organism is any living system (such as animal, plant, fungus, or micro-organism). In at least some form, all organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homeostasis as a stable whole. An organism may either be unicellular (single-celled) or be composed of, as in humans, many billions of cells grouped into specialized tissues and organs. The term multicellular (many-celled) describes any organism made up of more than one cell.
The terms "organism" (Greek ὀργανισμός - organismos, from Ancient Greek ὄργανον - organon "organ, instrument, tool") first appeared in the English language in 1701 and took on its current definition by 1834 (Oxford English Dictionary).
Scientific classification in biology considers organisms synonymous with life on Earth. Based on cell type, organisms may be divided into the prokaryotic and eukaryotic groups. The prokaryotes represent two separate domains, the Bacteria and Archaea. Eukaryotic organisms, with a membrane-bounded cell nucleus, also contain organelles, namely mitochondria and (in plants) plastids, generally considered to be derived from endosymbiotic bacteria. Fungi, animals and plants are examples of species that are eukaryotes.
More recently a clade, Neomura, has been proposed, which groups together the Archaea and Eukarya. Neomura is thought to have evolved from Bacteria, more specifically from Actinobacteria.
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