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YouTube - Vitamin D: It's Not Just For Bones Anymore
David Feldman, MD, professor of medicine at Stanford, explores the biological action of Vitamin D beyond its widely understood role in the information and maintenance of bone. Emerging therapeutic uses of the vitamin include the prevention and treatment of breast, prostate and colon cancer, chronic kidney disease and arthritis, among other conditions.
Amino acid supplementation alters bone metabolism during simulated weightlessness -- Zwart et al. 99 (1): 134 -- Journal of Applied Physiology
Zwart SR, Davis-Street JE, Paddon-Jones D, Ferrando AA, Wolfe RR, Smith SM.
Amino acid supplementation alters bone metabolism during simulated weightlessness.
J Appl Physiol. 2005 Jul;99(1):134-40. Epub 2005 Feb 3.
PMID: 15691900
Vitamin D fortification of milk products does not resolve hypovitaminosis D in young Finnish men - European Journal of Clinical Nutrition - Abstract of article:
Vitamin D fortification of milk products does not resolve hypovitaminosis D in young Finnish men.
Välimäki VV, Löyttyniemi E, Välimäki MJ.
Eur J Clin Nutr. 2007 Apr;61(4):493-7. Epub 2006 Nov 29.
PMID: 17136043
doi:10.1038/sj.ejcn.1602550
Vitamin D in preventive medicine: are we ignoring the evidence?
Vitamin D in preventive medicine: are we ignoring the evidence?
Zittermann A.
Br J Nutr. 2003 May;89(5):552-72. Review.
PMID: 12720576
Vitamin D is metabolised by a hepatic 25-hydroxylase into 25-hydroxyvitamin D (25(OH)D) and by a renal 1alpha-hydroxylase into the vitamin D hormone calcitriol. Calcitriol receptors are present in more than thirty different tissues. Apart from the kidney, several tissues also possess the enzyme 1alpha-hydroxylase, which is able to use circulating 25(OH)D as a substrate. Serum levels of 25(OH)D are the best indicator to assess vitamin D deficiency, insufficiency, hypovitaminosis, adequacy, and toxicity. European children and young adults often have circulating 25(OH)D levels in the insufficiency range during wintertime. Elderly subjects have mean 25(OH)D levels in the insufficiency range throughout the year. In institutionalized subjects 25(OH)D levels are often in the deficiency range. There is now general agreement that a low vitamin D status is involved in the pathogenesis of osteoporosis. Moreover, vitamin D insufficiency can lead to a disturbed muscle function. Epidemiological data also indicate a low vitamin D status in tuberculosis, rheumatoid arthritis, multiple sclerosis, inflammatory bowel diseases, hypertension, and specific types of cancer. Some intervention trials have demonstrated that supplementation with vitamin D or its metabolites is able: (i) to reduce blood pressure in hypertensive patients; (ii) to improve blood glucose levels in diabetics; (iii) to improve symptoms of rheumatoid arthritis and multiple sclerosis. The oral dose necessary to achieve adequate serum 25(OH)D levels is probably much higher than the current recommendations of 5-15 microg/d.
Vitamin D Status as a Determinant of Peak Bone Mass in Young Finnish Men -- Välimäki et al. 89 (1): 76 -- Journal of Clinical Endocrinology & Metabolism
Valimaki VV, Alfthan H, Lehmuskallio E, Loyttyniemi E, Sahi T, Stenman UH, Suominen H, Valimaki MJ.
Vitamin D status as a determinant of peak bone mass in young Finnish men.
J Clin Endocrinol Metab. 2004 Jan;89(1):76-80.
PMID: 14715830
100 Best Cooking Tips for Cancer Prevention
Hippocrates once said "Let your food be your medicine and your medicine be your food." The American Institute for Cancer research believes that while no single food can protect you against cancer, a healthy diet is essential.By utilizing the power of a healthy diet, you can prevent, fight, and even treat cancer. Below are the 100 best tips for cooking against cancer.
OpenCourseWare at the Johns Hopkins Bloomberg School of Public Health
The Johns Hopkins Bloomberg School of Public Health's OPENCOURSEWARE (OCW) project provides access to content of the School's most popular courses. As challenges to the world's health escalate daily, the School feels a moral imperative to provide equal and open access to information and knowledge about the obstacles to the public's health and their potential solutions
MyCourses Open Courseware Intiative - Harvard Medical School
The mission of the Harvard Medical School Open Courseware Initiative is to exchange knowledge from the Harvard community of scholars to other academic institutions, prospective students, and the general public. Through the MyCourses initiative, Harvard has created a web-enabled distance learning environment for the four years of medical school. Mycourses is being expanded to support residencies and fellowships during the summer of 2002. By the end of 2002, MyCourses will be expanded to include Continuing Medical Education. By serving the needs of the medical school, graduate medical education and continuing medical education, the Mycourses platform provides lifelong learning for those associated with the Harvard community. Recognizing our moral obligation to share this knowledge with other academic communities and the general public, we have launched the Open Courseware Initiative. Every faculty member at Harvard, in every course, may share course content with the public by simply checking a box on a web page to identify course resources to post to the Open Courseware Initiative. The Academy at Harvard Medical School, a community of scholars encouraging innovation and quality teaching, will encourage the use of the Open Courseware Initiative Platform among all the faculty.
Harvard-MIT Division of Health Sciences and Technology| MIT OpenCourseWare - Free Online MIT Course Materials
Harvard-MIT Division of Health Sciences and Technology
Harvard-MIT Division
HST student David Nguyen.
Founded more than 30 years ago, HST is one of the oldest and largest biomedical engineering and physician-scientist training programs in the United States and the longest-standing collaboration between Harvard and MIT.
Academic Earth - General Human Anatomy
The functional anatomy of the human body as revealed by gross and microscopic examination.
Tufts OpenCourseWare - OpenCourseWare - Tufts University
Tufts OpenCourseWare is part of a new educational movement initiated by MIT that provides free access to course content for everyone online. Tufts' course offerings demonstrate the University's strength in the life sciences in addition to its multidisciplinary approach, international perspective and underlying ethic of service to its local, national and international communities.
YouTube - Genetics and the Effect of Aging on Stem Cell Regulation
Genetics and the Effect of Aging on Stem Cell Regulation
YouTube - nucleusanimation's Channel
Nucleus Medical Art is a U.S. business specializing in medical illustrations, animations and interactive multimedia for health care and legal.
For information on custom or stock animations, contact Nucleus at info@nucleusinc.com, or call (800) 333-0753.
YouTube - Pathogen Recognition in a Macrophage Cell
Pathogen Recognition in a Macrophage Cell
YouTube - Macrophage Cytokine Release
Macrophage Cytokine Release
YouTube - 3D Medical Animation: Antibody Immune Response
Antibody Immune Response
Selenium linked to lower skin cancer risks
Higher blood levels of selenium may reduce the incidence of skin cancer by about 60 per cent, according to a new study from Dutch and Australian researchers.
Writing in Cancer Epidemiology, Biomarkers & Prevention, the researchers report that the mineral was associated with reduced risks of both basal cell carcinoma (BCC) and squamous cell carcinoma (SCC).
On the other hand, blood levels of carotenoids and alpha-tocopherol (vitamin E) were not associated with any influence on skin cancer risks, report the researchers from Queensland Institute of Medical Research, the University of Queensland, and Maastricht University.
CoQ10 Improves Endothelial Dysfunction in Statin-Treated Type 2 Diabetics
NEW YORK (Reuters Health) May 29 - Supplementation with coenzyme Q10 (CoQ10) improves endothelial dysfunction in patients with type 2 diabetes on statin therapy, according to results of a study reported in the May issue of Diabetes Care.
The vascular benefits of statins might be attenuated by inhibition of CoQ10 synthesis, Dr. Gerald T. Chew and colleagues from University of Western Australia, Perth, note in their report.
Free video lectures,Free Online Tests,Free Animations,Free Lecture Notes
Welcome to LearnersTV.com. This is a comprehensive site providing Video lectures, LiveOnline Tests, Audio lectures etc in the fields of Biology, Physics,Chemistry,Mathematics,Computer Science,Engineering,Medicine, Management and Accounting etc FREE to its visitors... This site provides free video/audio lectures of whole courses conducted by faculty from reputed universities around the world. Free live timed online tests with instant feedback and explanations will definitely help learners around the globe. This site will be updated daily to include more free video lecture courses, and more in various subject categories. Most of the materials offered are licensed by the respective institutes under a Creative Commons License. Currently we have 3017 videos in our database.
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