Month

March 2021
19
Mar

Astrocyte Clocks and Glucose Homeostasis

March 19, 2021
Barca-Mayo O and López M (2021) Astrocyte Clocks and Glucose Homeostasis. Front. Endocrinol. 12:662017. doi: 10.3389/fendo.2021.662017 The endogenous timekeeping system evolved to anticipate the time of the day through the 24 hours cycle of the Earth’s rotation. In mammals, the circadian clock governs rhythmic physiological and behavioral processes, including the daily oscillation in glucose metabolism, food intake,...
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19
Mar

Impact of Circadian Disruption on Cardiovascular Function and Disease

March 19, 2021
Chellappa SL, Vujovic N, Williams JS, Scheer FAJL. Impact of Circadian Disruption on Cardiovascular Function and Disease. Trends Endocrinol Metab. 2019 Oct;30(10):767-779. doi: 10.1016/j.tem.2019.07.008. Epub 2019 Aug 16. PMID: 31427142; PMCID: PMC6779516. Abstract The circadian system, that is ubiquitous across species, generates ∼24 h rhythms in virtually all biological processes, and allows them to anticipate...
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18
Mar

More And More Towers: Rain Is Aiming For 2 000 5G Towers

March 18, 2021
19th March 2021 Rain had 5,500 active 4G and 447 active 5G sites in South Africa as of the end of April 2020. https://mybroadband.co.za/news/cellular/367418-rains-extraordinary-valuation.html According to TechCentral, Rain has nearly 7 000 4G sites and 685 5G towers in use (as at the end of December 2020). “….The aim is to increase this to 1 150 towers by February...
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18
Mar

Ligado Cleared to Press On…For Now

March 18, 2021
Source: Ligado Cleared to Press On…For Now March 16, 2021 By Dawn M.K. Zoldi (USAF, Ret.) When most were focused on the transition of power in the White House, the day before the Inauguration and the very last day in office for the outgoing party, the FCC denied a petition to stay (delay) the Ligado Networks...
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18
Mar

High-dose electronic media use in five-year-olds and its association with their psychosocial symptoms: a cohort study

March 18, 2021
Niiranen J, Kiviruusu O, Vornanen R, et al. High-dose electronic media use in five-year-olds and its association with their psychosocial symptoms: a cohort studyBMJ Open 2021; 11:e040848. doi: 10.1136/bmjopen-2020-040848 Abstract Objectives This study investigated the frequency of electronic media (e-media) usage by preschool children and the risks of high-dose e-media use on young children’s psychosocial well-being. Design Longitudinal associations between e-media use at 18 months...
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18
Mar

Preschoolers’ extensive electronic media use linked to emotional/behavioural issues

March 18, 2021
MARCH 17, 2021 by British Medical Journal Preschoolers’ extensive use of electronic media, including game consoles, mobile phones, and tablets, is linked to a heightened risk of emotional and behavioral problems by the age of 5, finds research published in the online journal BMJ Open. This behavior is associated with hyperactivity, short attention span, poor concentration and...
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17
Mar

REARMM: Army Holds Modernization ‘Rehearsals’

March 17, 2021
How do you get 35 new technologies into combat units without overwhelming them? Army Futures Command, Forces Command, Materiel Command, and other HQs are trying to figure that out. By SYDNEY J. FREEDBERG JR. on March 15 2021 Source https://breakingdefense.com/2021/03/rearrm-army-holds-modernization-rehearsals/ WASHINGTON: Officials from across the Army are thrashing out how to field a host of...
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17
Mar

Screen exposure exacerbates ADHD symptoms indirectly through increased sleep disturbance

March 17, 2021
Screen exposure exacerbates ADHD symptoms indirectly through increased sleep disturbance. Cavalli, Eddy; Anders, Royce; Chaussoy, Louise; Herbillon, Vania; Franco, Patricia; Putois, Benjamin; Sleep Medicine 2021/03/13 https://www.sciencedirect.com/science/article/pii/S1389945721001714 https://www.sciencedirect.com/science/article/abs/pii/S1389945721001714 Abstract Objectives The aim of this study was twofold. First, to confirm the deleterious aspect of evening screen exposure in school-aged children, in particular the effect of screens...
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17
Mar

Putative contributions of circadian clock and sleep in the context of SARS-CoV-2 infection

March 17, 2021
Putative contributions of circadian clock and sleep in the context of SARS-CoV-2 infection Miguel Meira eCruz, Masaaki Miyazawa, David Gozal European Respiratory Journal Jan 2020, 2001023;  DOI: 10.1183/13993003.01023-2020 Circadian deregulation and poor or insufficient sleep may facilitate COVID19 infection and severity SARS coronavirus 2 (SARS-CoV-2), the etiologic agent of the pandemic coronavirus disease 2019 (COVID-19), is a newly found member of the Coronaviridae...
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17
Mar

Effect of photobiomodulation on mitochondrial dynamics in peripheral nervous system in streptozotocin-induced type 1 diabetes in rats

March 17, 2021
Rocha IRC, Perez-Reyes E, Chacur M. Effect of photobiomodulation on mitochondrial dynamics in peripheral nervous system in streptozotocin-induced type 1 diabetes in rats. Photochem Photobiol Sci. 2021 Feb;20(2):293-301. doi: 10.1007/s43630-021-00018-w. Epub 2021 Feb 18. PMID: 33721255. Abstract There is no effective treatment to halt peripheral nervous system damage in diabetic peripheral neuropathy. Mitochondria have been...
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