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    Category Health/Medical

    30-60 mins of Weekly Muscle Strengthening Activity linked to 10-20% Lower Death Risk

    March 1, 2022, Categories  Health/Medical, Biology/Biotechnology

    Credit: Unsplash/CC0 Public Domain

    Between 30 and 60 minutes of muscle strengthening activity every week is linked to a 10-20% lower risk of death from all causes, and from cardiovascular disease, diabetes, and cancer, in particular, finds a pooled data analysis of the available evidence, published online in the British Journal of Sports Medicine.

    The findings are independent of aerobic exercise. But the analysis points to a J-shaped curve for most outcomes, with no conclusive evidence that more than an hour a week of muscle strengthening activity reduces the risk further still.

    Physical activity guidelines recommend regular muscle strengthening activities for adults, primarily because of the known benefits for skeletal muscle health...

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    Bark of Neem Tree may Protect Against Coronavirus Variants, study finds

    March 1, 2022, Categories  Health/Medical, Biology/Biotechnology

    New research reveals Neem-based drugs may help fight future coronavirus variants. Extract from the bark of the Neem tree may help treat and reduce the spread of coronavirus, according to a new study led by scientists at the University of Colorado Anschutz Medical Campus and the Indian Institute of Science Education and Research Kolkata.

    The study, reported recently in the journal Virology, shows that components of Neem bark may target a wide range of viral proteins, suggesting its potential as an antiviral agent against emerging variants of coronaviruses (including SARS-CoV-2).

    The Neem tree, indigenous to India, has been used for thousands of years for its anti-parasitic, anti-bacterial and antiviral properties...

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    Scientists reveal the Mechanism of Skeletal Muscle Stem Cell Activation in Muscle Regeneration

    February 25, 2022, Categories  Health/Medical, Biology/Biotechnology

    Discordant proteomic and transcriptomic signatures reveal a potential translational control mechanism during the SC quiescence-to-activation transition. a Schematic illustration of the workflow for the proteomic analysis of FACS-isolated SCs. The SCs were sorted from Pax7-nGFP mice. QSCs were sorted from 0.5% PFA-perfused mice. fiSCs were sorted from unperfused mice. Injured ASCs (iASCs) were sorted from 3 days 1.2% BaCl2 injured mice. Cultured ASCs (cASCs) were 2 days cultured SCs. (n = 2 independent experiments). b Hierarchical clustering of the protein expression (in the number of spectra) for QSCs, fiSCs, iASCs, and cASCs. c Heatmap of representative expression for cell cycle, quiescence, and activation-specific proteins of QSCs, fiSCs, iASCs, and cASCs...
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    More Sensitive X-ray Imaging

    February 25, 2022, Categories  Physics, Health/Medical

    Researchers at MIT have shown how one could improve the efficiency of scintillators by at least tenfold by changing the material’s surface. This image shows a TEM grid on scotch tape, with the right side showing the scene after it is corrected.
    Credits:Image: Courtesy of the researchers, edited by MIT New

    Improvements in the material that converts X-rays into light, for medical or industrial images, could allow a tenfold signal enhancement.

    Scintillators are materials that emit light when bombarded with high-energy particles or X-rays. In medical or dental X-ray systems, they convert incoming X-ray radiation into visible light that can then be captured using film or photosensors...

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