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Todos los días me quedo en casa MCN12

  • Vitamin D and COVID 19: The Evidence for Prevention and Treatment of Coronavirus


    Professor Roger Seheult, MD explains the important role Vitamin D may have in the prevention and treatment of COVID-19. Dr. Seheult is the lead professor at
    Dr. Seheult illustrates how Vitamin D works, summarizes the best available data and clinical trials on vitamin D, and discusses vitamin D dosage recommendations.

    Roger Seheult, MD is Co-Founder of MedCram and an Associate Professor at the University of California, Riverside School of Medicine and Assistant Prof. at Loma Linda University School of Medicine. He is Quadruple Board Certified: Internal Medicine, Pulmonary Disease, Critical Care, & Sleep Medicine

    Interviewer: Kyle Allred, Producer & Co-Founder of


    The National Human Activity Pattern Survey (NHAPS)... (J. of Exposure A. and Env. Epidem.) |

    Aging decreases the capacity of human skin to produce vitamin D3 (The J. of Clin. Invest.) |

    Racial differences in the relationship between vitamin D... (Osteoporosis Int.) |

    Decreased bioavailability of vitamin D in obesity (The American J of Clin. Nutrition) |

    Vitamin D Insufficiency and Deficiency and Mortality from Respiratory Diseases ... (Nutrients) |

    Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis... (BMJ) |

    Randomized trial of vitamin D supplementation to prevent seasonal influenza A... (The American J.of Clin. Nutrition) |

    Vitamin D and SARS-CoV-2 infection... (Irish J. of Med. Sci.) |

    Factors associated with COVID-19-related death... (Nature) |

    Editorial: low population mortality from COVID-19 ... (Alimentary Pharm. & Therap.) |

    The role of vitamin D in the prevention of coronavirus ... (Aging Clin. & Exper. Res.) |

    25-Hydroxyvitamin D Concentrations Are Lower in Patients with ... SARS-CoV-2 (Nutrients) |

    Vitamin D deficiency in COVID-19: Mixing up cause and consequence (Metabolism) |

    Low plasma 25(OH) vitamin D level... increased risk of COVID-19... (The FEBS J.) |

    The link between vitamin D deficiency and Covid-19... |

    SARS-CoV-2 positivity rates... with circulating 25-hydroxyvitamin D levels (PLOS One) |

    Vitamin D status and outcomes for... COVID-19 (Post. Med. J.) |

    Vitamin D Deficiency and Outcome of COVID-19... (Nutrients) |

    “Effect of calcifediol treatment...” (J. of Steroid Bio. Molec. Bio.) |

    Vitamin D and survival in COVID-19 patients... (J. of Steroid Bio. Molec. Bio.) |

    Effect of Vitamin D3 ... vs Placebo on Hospital Length of Stay...: A Multicenter, Double-blind, RCT |

    Short term, high-dose vitamin D... for COVID-19 disease: RCT [SHADE study] (Postgrad. Med. Journal) |

    Association of Vitamin D Status... With COVID-19 Test Results (JAMA Network Open) |

    Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline (JCEM) |

    Vitamin D Fortification of Fluid Milk ... A Review (Nutrients) |

    Analysis of vitamin D level among asymptomatic and critically ill COVID-19 patients... (Scientific Reports from the Journal Nature) |


    Visit us for videos on over 60 medical topics and CME / CEs for clinicians:
    All coronavirus updates are at (COVID-19 developments, cholecalciferol, vitamin d benefits, vitamin D biochemistry, vitamin B12 etc.)

    Media contact:

    MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.
    #COVID19 #SARSCoV2 #VitaminD

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  • Sperm Whales - Titans of the Deep | Free Documentary Nature


    Sperm Whales - Titans of the Deep | Free Wildlife Documentary

    Dedicated scientists, equipped with cutting-edge technology follow the sperm whales as they dive to depths of 1,584 metres. Their efforts are not in vain as amazing new findings are revealed about the lives of these acoustically sensitive creatures. However, these findings pose new questions too. Are the increasing levels of man-made noise, that now pollute the ocean, affecting the whales and forcing them to swim into environments outside their natural habitat, such as the shallow waters of the North Sea? 

    The number of sperm whales that became stranded in the North Sea increased by 1000% in the 1990s. During this very same period the commercial search for oil in these waters, using seismic sonar technologies, also increased. Could there be a connection between the two? Until now, these two incidents have never been investigated. 

    Sperm Whales: Titans of the Deep combines pioneering scientific research with the latest in filmmaking technology to draw you into the mysterious world of the sperm whale and to uncover the problems that it and many other animals face today.


    Subscribe Free Documentary - Nature Channel for free:

    #FreeDocumentaryNature #Documentary #SpermWhale
    Free Documentary is dedicated to bring high-class documentaries to you on youtube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures from everything our beautiful and interesting planet has to offer.

    Enjoy stories about nature, wildlife, culture, people, history and more to come.



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