- Vitamin D as a Biomarker of Ill Health among the Over-50s: A Systematic Review of Cohort Studies
- VitaminDWiki – Seniors contains:
30 Meta-analyses of Mortality 35 Meta-analyses of Breathing 41 Meta-analysis of Cardiovascular 15 Meta-analyses of Seniors
Vitamin D as a Biomarker of Ill Health among the Over-50s: A Systematic Review of Cohort Studies
Nutrients 2019, 11(10), 2384; https://doi.org/10.3390/nu11102384
VitaminDWiki- This study found an association of ill health with low blood levels of vitamin D.
- There is an even stronger association with low TISSUE level of Vitamin D - due to restrictions by vitamin D Receptor and other genes
- The risk of 44 diseases at least double with poor Vitamin D Receptor as of Oct 2019
- Vitamin D supplementation improves muscle strength in healthy adults – meta-analysis of 6 RCT Aug 2014
- Vitamin D and fractures – 24 meta-analyses and counting – Dec 2014
- Sarcopenia (muscle loss) fought by Vitamin D, exercise and protein - many studies
- Sarcopenia: Nutrition and physical activity – systematic review – Jan 2017
Download the PDF from VitaminDWiki
Silvia Caristia 1,Nicoletta Filigheddu 1,Francesco Barone-Adesi 1,Andrea Sarro 1,Tommaso Testa 1,Corrado Magnani 1,Gianluca Aimaretti 1,Fabrizio Faggiano 1,2 andPaolo Marzullo 1,3,*
1 Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy
2 Epidemiology Centre of Local Health Unit of Vercelli, 12100 Vercelli, Italy
3 I.R.C.C.S. Istituto Auxologico Italiano, Piancavallo, 28921 Verbania, ItalyBackground: The association between circulating levels of vitamin D and the incidence of chronic diseases is known. The identification of vitamin D as a biomarker of physiological/pathological ageing could contribute to expanding current knowledge of its involvement in healthy ageing.
Methods: According to PRISMA guidelines, a systematic review was conducted on cohorts studying the role of 25OH-Vitamin D [25(OH)D] and 1,25(OH)2-Vitamin D [1,25(OH)2D] concentrations as biomarkers of healthy ageing. We consulted MedLine, Scopus, and Web of Science to search for studies on the association between vitamin D status in populations of originally healthy adults, and outcomes of
- longevity,
- illness, and
- physical and cognitive functionality.
The quality of the studies was assessed using the Newcastle Ottawa scale.
Results: Twenty cohorts from 24 articles were selected for this review. Inverse associations were found between low 25(OH)D levels and all-cause mortality, respiratory and cardiovascular events, as well as markers relating to hip and non-vertebral fractures. Associations between 1,25(OH)2D and healthy ageing outcomes gave similar results, although of lower clinical significance.
Conclusions: This systematic review pinpoints peculiar aspects of vitamin D as a multidimensional predictor of ill health in the ageing process. Further well-designed controlled trials to investigate whether vitamin D supplement results in superior outcomes are warranted in the future.
.Conclusions (from PDF)
Conclusively, 25(OH)D status acts as a worthy biomarker to predict- all-cause mortality,
- pulmonary events, and
- lung function,
- cardiovascular/coronary events,
- hip fractures,
- early and/or premature death, and
- sarcopenia incidence.
Conversely, no association was found with the risk of falls, as well as with bone mineral density, cognitive function, cardiometabolic, and cancer events in adult populations who were apparently healthy at baseline.
VitaminDWiki – Seniors contains:
440 items in Seniors see also
Falls and Fractures category listing has
Overview Seniors and Vitamin D
Muscles and Vitamin D - many studies 125+ items
Overview Fractures and Falls and Vitamin D264 items along with related searches Overview Alzheimer's-Cognition and Vitamin D
Cancer - Prostate category listing has
Overview Cancer and vitamin D
Overview Influenza and vitamin D109 items along with related searches Overview Diabetes and vitamin D
Mortality category listing has
Hearing Loss appears to be prevented and treated with vitamin D335 items along with related searches Overview Osteoporosis and vitamin D
Restless Legs Syndrome - Vitamin D, Iron, etc. - many studies
Overview Rheumatoid Arthritis and vitamin D
Frailty and Vitamin D - many studies many studies
Nursing homes and Vitamin D - many studies
13 reasons why many seniors need more vitamin D (both dose and level) - July 2023 has:- Senior skin produces 4X less Vitamin D for the same sun intensity
- Seniors have fewer vitamin D receptor genes as they age
Receptors are needed to get Vitamin D in blood actually into the cells - Many other Vitamin D genes decrease with age
- Since many gene activations are not detected by a blood test,
more Vitamin D is often needed, especially by seniors - Seniors are indoors more than when they were younger
not as agile, weaker muscles; frail, no longer enjoy hot temperatures - Seniors wear more clothing outdoors than when younger
Seniors also are told to fear skin cancer & wrinkles - Seniors often take various drugs which end up reducing vitamin D
Some reductions are not detected by a vitamin D test of the blood
statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc - Seniors often have one or more diseases that consume vitamin D
osteoporosis, diabetes, Multiple Sclerosis, Cancer, ... - Seniors generally put on weight as they age - and a heavier body requires more vitamin D
- Seniors often (40%) have fatty livers – which do not process vitamin D as well
- Reduced stomach acid means less Magnesium is available to get vitamin D into the cells
- Vitamin D is not as bioavailable in senior intestines
- Seniors with poorly functioning kidneys do not process vitamin D as well
- Glutathione (which increases Vitamin D getting to cells) decreases with age
Seniors category has440 items
30 Meta-analyses of Mortality - Pancreatic cancer mortality 28% more likely if low vitamin D – meta-analysis Jan 2024
- COVID and Vitamin D: 2X more likely to die if low, 2X more likely to survive if supplement – umbrella meta-analysis April 2024
- Maternal pregnancy problems if Vitamin D is less than 40 ng – meta-analysis Oct 2022
- COVID-19 mortality extrapolates to zero at 50 ng of vitamin D – 18th Meta-analysis Sept 2021
- Deaths from many types of Cancer associated with low vitamin D- review of meta-analyses Sept 2020
- Cardiovascular death 1.5X more likely if less than 20 ng of Vitamin D – 22nd meta-analysis Nov 2019
- People supplemented with Vitamin D had 13 percent fewer Cancer deaths – Meta-analysis of RCT June 2019
- Cancer with low Vitamin D increases Mortality by 13 percent – meta-analysis Feb 2019
- Low Vitamin D is associated with dying sooner (70 studies) – meta-analysis Jan 2019
- Prostate Cancer death 40 percent less likely if 40 ng level of vitamin D – Meta-analysis Oct 2018
- Review of meta-analyses of non-skeletal benefits of vitamin D (Mortality, RTI, etc) – July 2017
- Chronic Kidney Disease mortality is 60 percent less likely if good vitamin D – meta-analysis July 2017
- Lung Cancer death 60 percent less likely if high level of vitamin D – 2 meta-analysis 2017
- Breast Cancer Mortality reduced 60 percent if more than 60 ng of Vitamin D – meta-analysis June 2017
- Cardiovascular deaths 12 percent less likely if have 10 ng more vitamin D – meta-analysis March 2017
- ICU patients 30 % less likely to die if have enough vitamin D – meta-analysis Nov 2016
- Less likely to die if have enough vitamin D - Meta-analysis June 2014
- Cancer survival 4 percent more likely with just a little more vitamin D (4 ng) - meta-analysis July 2014
- Death due to breast cancer reduced 40 percent if high vitamin D – meta-analysis April 2014
- Vitamin D reduces risk of cause specific death, unless it is D2 – meta-analysis BMJ April 2014
- More survive Breast Cancer if more vitamin D – 2X fewer deaths with just 30 ng -meta-analysis March 2014
- Colorectal and Breast Cancer – Vitamin D is associated with fewer deaths – meta-analysis Feb 2014
- Death of women from cancer 24% less likely if 20 ng more vitamin D – meta-analysis Sept 2013
- Chance of dying increases by 25 percent in seniors if low vitamin D – Meta-analysis July 2013
- Breast Cancer survival 2X more likely if vitamin D sufficient – meta-analysis May 2013
- Vitamin D with Calcium reduces mortality by 7 percent – meta-analysis May 2012
- Death rate reduced 8 percent for 8 nanogram more vitamin D – meta-analysis Feb 2012
- 40 ng Vitamin D perhaps optimal for reduced mortality – Meta-analysis Jan 2012
- Vitamin D3 but not D2 reduces mortality – meta-analysis July 2011
- Vitamin D and mortality a meta-analysis of RCT - 2008
35 Meta-analyses of Breathing - Small doses of Vitamin D do not reduce childhood breathing allergies – meta-analysis Oct 2022
- Asthma treated by Vitamin D - 13th Meta-analysis – July 2022
- COPD treated by Vitamin D – meta-analysis March 2022
- Small amounts of Vitamin D reduce Influenza risk by 22 percent (loading dose is far better) – meta-analysis Jan 2022
- Asthma reduced by Vitamin D, even for those using corticosteroids - meta-analysis 2021
- Small vitamin D doses provide small benefits for acute respiratory infections – Meta-analysis March 2021
- Respiratory Tract Infection risk reduced 2X by Vitamin D loading doses – meta-analysis Jan 2021
- Small vitamin D doses given during pregnancy do not reduce childhood asthma – meta-analysis Dec 2020
- Acute viral respiratory infections (RTI) reduced by Vitamin D - 20 reviews - Aug 2020
- Asthmatics less able to breathe if low vitamin D – meta-analysis Nov 2019
- Asthma is 20 percent more likely with a poor Vitamin D Receptor gene – meta-analysis Oct 2019
- Pneumonia 6X more likely if very low vitamin D – meta-analysis Sept 2019
- Asthma supplementation by Vitamin D (any amount) reduced attacks by 25 percent – meta-analysis April 2019
- Respiratory infections reduced only 20 percent by Vitamin D (ignored dose size, duration, type, etc) – meta-analysis Jan 2019
- Breath better if higher level of Vitamin D – meta-analysis March 2018
- Asthma risk reduced by 67 percent with Vitamin D supplementation if level was initially low– meta-analysis Nov 2017
- Pneumonia patients 3 X more likely to die if low vitamin D – meta-analysis Sept 2017
- Acute respiratory tract infections prevented by vitamin D (even when ignoring the dose size – Meta-analysis Feb 2017
- Asthma exacerbations in children decrease by 60 percent with vitamin D supplementation – meta-analysis – 2015
- Vitamin D during pregnancy reduces risk of childhood asthma by 13 percent – meta-analysis Dec 2016
- Childhood asthma about 1.3 times more likely if poor Vitamin D Receptor – meta-analysis Aug 2016
- COPD 2.8 times more likely to be severe if low vitamin D – meta-analysis Oct 2016
- Lower respiratory tract infections in children associated with Low Vitamin D – meta-analysis May 2016
- Asthma medicines not helped by vitamin D (if only a small amount of D is taken) – meta-analysis Dec 2015
- Asthma not helped by less than 2,000 IU of vitamin D - meta-analysis Aug 2015
- COPD strongly associated with Vitamin D Binding Protein problems – meta-analysis Aug 2015
- COPD severity is associated with Vitamin D deficiency – meta-analyses 2015, 2019
- Infant wheezing 40 percent less likely if mother supplemented with vitamin D, vitamin E, or Zinc – meta-analysis Aug 2015
- Gene makes COPD 2.6X more likely unless get more vitamin D – meta-analysis Dec 2014
- Asthma reduced 60 percent with vitamin D supplementation – meta-analysis 2014, 2015
- Acute Lower Respiratory Infections in Children - associated with low vitamin D – meta-analysis Dec 2014
- Asthma is strongly associated with low vitamin D (but not COPD) – meta-analysis Feb 2014
- Vitamin D and Respiratory Tract Infections – meta-analysis with charts June 2013
- Vitamin D reduces respiratory tract infections by 40 percent– meta-analysis Dec 2012
- Acute respiratory infection treated by vitamin D in 6 of 12 clinical trials – review Nov 2012
41 Meta-analysis of Cardiovascular - T2 Diabetes and associated CVD problems fought by Vitamin D (weekly 50,000 IU) – Sept 2024
- Vitamin D reduces many Cardiovascular risk factors (provided doses are personalized) – meta-analysis July 2024
- Little Vitamin D does not reduce risk of CVD – RCT meta-analysis Dec 2023
- COVID Vaccinations increased risk of cardiac deaths in youths by 19% - Aug 2023
- Afib 40% less likely after heart by-pass if have enough Vitamin D – meta-analysis May 2023
- Risk of heart failure increased 1.4X if low vitamin D – meta-analysis Dec 2022
- USPSTF says no evidence that Vitamins prevent CVD or Cancer (data disagrees) Aug 2022
- CAD patients with low vitamin D were 1.6 X more likely to die – 27th meta-analysis Aug 2022
- Recurrrent Cardiovascular deaths cut in half if 10 ng more Vitamin D – meta-analysis Sept 2021
- Statin pain reduces Vitamin D levels by 4 ng ( 9 studies) - Meta-analysis July 2021
- Arterial stiffness reduced if use at least 2,000 IU of Vitamin D for 4 months – meta-analysis Dec 2019
- Blood vessels not helped by small vitamin D doses – meta-analysis Dec 2019
- Cardiovascular death 1.5X more likely if less than 20 ng of Vitamin D – 22nd meta-analysis Nov 2019
- Vitamin D supplementation reduces many Cardiovascular Disease markers– meta-analysis July 2018
- Low-dose vitamin D does not help cardiovascular (many were 100-1,000 IU) – meta-analysis June 2019
- Heart Failure and Vitamin D meta-analyses - many studies
- Vitamin K (across all dose sizes and types) decrease Vascular Stiffness – meta-analysis - Dec 2018
- Small or infrequent doses of vitamin D do not reduce heart failure much – meta-analysis Jan 2018
- Peripheral arterial disease risk is 1.5X higher if low vitamin D – meta-analysis March 2018
- Omega-3 reduced time in hospital and atrial fibrillation after cardiac surgery – meta-analysis May 2016
- Cardiovascular deaths 12 percent less likely if have 10 ng more vitamin D – meta-analysis March 2017
- Health problems prevented by eating nuts (perhaps due to Magnesium and or Omega-3) – meta-analysis Dec 2016
- Atrial Fibrillation 1.3 times more likely if low vitamin D – meta-analysis Sept 2016
- Coronary Artery Disease without diabetes 5 times more likely if VDR gene problems – meta-analysis May 2016
- Chronic Heart Failure not treated by Vitamin D, if dose size is ignored – meta-analysis Oct 2015
- Atrial fibrillation sometimes treated by Omega-3 – meta-analysis Sept 2015
- Peripheral Arterial Disease patients have low vitamin D levels – meta-analysis Oct 2015
- C-reactive protein (heart disease marker) reduced by vitamin D – meta-analysis 2014, 2019
- Cardiovascular disease associated with postmenopausal non-human primates – meta-analysis Jan 2015
- Adding Calcium does NOT cause cardiovascular problems (reverses their meta-analysis) – Dec 2014
- Statin pain associated with 10 ng less vitamin D – meta-analysis Oct 2014
- Risk of Cardiac failure reduced 20 percent by 800 IU of vitamin D and Calcium – meta-analysis July 2014
- Magnesium prevents cardiovascular events – Meta-analysis March 2013
- Cardiovascular disease 50 % more likely if low vitamin D - meta-analysis Nov 2012
- Omega-3 does not help heart patients – meta-analysis Sept 2012
- Half as many heart deaths for those with high levels of vitamin D – meta-analysis Sept 2012
- Shift workers 23 percent more likely to have cardiovascular events – meta-analysis July 2012
- Low density lipoprotein cholesterol is predictable from vitamin D levels – meta-analysis March 2012
- 800 IU Vitamin D does not help heart – meta-analysis Aug 2011
- Calcium without vitamin D increased heart risk by 30 percent - Jan 2011
- Meta-analysis unsure if vitamin D can prevent cardiovascular disease – Sept 2010
15 Meta-analyses of Seniors - Overactive bladder 4.4 X more likely if low vitamin D – meta-analysis Feb 2024
- Depression in seniors greatly reduced by Vitamin D (50,000 IU weekly) – meta-analysis June 2023
- Omega-3 improves elderly muscles – 2 meta-analyses
- Low Vitamin D is associated with dying sooner (70 studies) – meta-analysis Jan 2019
- Frailty risk increases 12 percent for every 10 ng less vitamin D – meta-analysis Sept 2018
- Less depression in seniors taking enough Omega-3 – meta-analysis July 2018
- Dementia is associated with low vitamin D - many studies
- Seniors 2.2 X more likely to walk slowly if very low vitamin D – meta-analysis Dec 2017
- Pneumonia patients 3 X more likely to die if low vitamin D – meta-analysis Sept 2017
- Resistance exercise combined with Vitamin D is great for seniors – meta-analysis July 2017
- Vitamin D supplementation help muscles of seniors who are vitamin D deficient – meta-analysis July 2014
- Elderly lower limb muscle strength improved with Vitamin D supplementation - Meta-analysis Oct 2013
- Vitamin D improves muscle strength if deficient – meta-analysis - Oct 2010
- Meta-analysis of RCT – vitamin D might increase senior muscle function – Sept 2010
- 20 year review concludes that Vitamin D reduce ageing – July 2010
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