Pages tagged with "UV"

339 pages, most important first (overviews, then meta-analyses, then RCTs, then newest). Combine with another topic

• Overview Skin and vitamin D
• Overview UV and vitamin D
• UV overview at WHO -with infographic
• Health benefit of Sunlight is more than Vitamin D in the blood - many studies
• Tanning beds and Vitamin D - many studies
• Air Pollution reduces Vitamin D production - many studies
• Skin Aging and Vitamin D - many studies
• Gastric Cancer, Vitamin D, VDR, UV - many studies
• COVID and other Virus fought by UV - many studies
• Non-Hodgkin Lymphoma 20 percent more likely if low UV – meta-analysis
• Best psoriasis treatment was combo of Vitamin D, UVA, and Calcium – meta-analysis
• Vitamin D3 levels decreased by consumption of UV mushrooms – meta-analysis
• Low Vitamin D if little UVB, supplementation helps (Antarctica) – meta-analysis
• Vitiligo associated with low vitamin D (Note: Vit. D and UV has treated it for over a decade) – meta-analysis
• Breast Cancer risk reduced 17 percent by 1 hour of daily summer sun – meta-analysis
• Parkinson’s patients 50X less likely to get even a little sun– meta-analysis
• Sunburning reduced by 200,000 IU of Vitamin D – RCT
• Multiple Sclerosis treated equally by UVB and weekly 50,000 IU of Vitamin D – RCT
• Ultra-low UV LED added to office desk lamp would add 7 ng to winter Vitamin D levels – RCT
• COVID hospital deaths reduced 2X by 8 days of UVB – pilot RCT
• UVA decreased serum levels of vitamin D - RCT
• Sunscreen (SPF-30) slightly increased the vitamin D from UVB – RCT
• Clinically Isolated Syndrome progresses to Multiple Sclerosis, unless UVB treatments – RCT
• Tanning bed twice a month slightly increased vitamin D levels during the winter – RCT
• UV every two weeks maintains summer vitamin D level – RCT
• Many diseases increase with latitude (low UV, Vitamin D)
• UV produces more than vitamin D
• Photoproducts are made in the skin from UVA, UVB, visible, and IR light
• Avoiding the sun resulted in 3,000 deaths, but avoided 40 skin cancer deaths
• Ozone decreases Vitamin D: 1) Decreases time outdoors, 2) Decreases UVB
• UV for is for the birds
• Vitamin D from the sun reduces the risk of internal cancers, but increases some skin cancers
• Does Less Sun mean More Disease
• Getting Vitamin D into your blood and cells
• Psoriasis treated by UVB in two ways: more Vitamin D, less cholesterol
• Hospitals use both UVC and HEPA filters to reduce viral infections (can use at home as well)
• Tanning Lotions Actually Decrease Vitamin D Production
• UV helps your health in 17 ways, the production of Vitamin D is just one of them
• Neanderthals became extinct when UVB was higher for a thousand years
• Tanning: Worshipped for millenniums, demonized by Dermatologists for 40 years, is coming back
• How to safely get Vitamin D at home from a UV lamp or LED
• Light improves health by more than just Vitamin D
• Getting too little sun is 3X more expensive than too much (AU NZ: WHO found 2200X)
• 2200X more problems from no UVB than too much UVB - WHO 2006
• 1.4 X more likely to be Vitamin D deficient if high PM2.5 (why: indoors, less UV, inflammation)
• UV prevents and treats autoimmune diseases like MS - SciAm
• Sunlight or UVA provide cardiovascular benefits (NO dialates the vessels) – Weller
• UVB shining of backs of cows increased both milk production and Vitamin D in milk
• UV, sunshine, and vitamin D (87 charts) - Holick
• Less UV associated with more dementia
• Less UV means 2X more Breast Cancer
• Some plants make Vitamin D5 and Vitamin D7 when exposed to UVB or UVC and warmth
• Importance of Light, UVB, and Vitamin D to Health - videos by Max Gulhane MD 2024
• More Ultraviolet Radiation, Less Cardiovascular Disease
• Pigs were given ultraviolet light or vitamin D daily
• UV (perhaps Nitric Oxide) better than vitamin D at preventing obesity in rats on a high-fat diet
• Embrace the Sun – benefits of the sun (Nitric Oxide etc.) – book
• UV Blood Irradiation used by 300 US practioners and 3,000 in Europe
• 23 Cancers in the US are associated with low UVB - Grant
• Vitamin D winter lasts from 4 to 215 days in Europe
• UV at time of conception associated with Vitamin D Receptor activation 65 years later
• UV and D
• Seniors get about 4X less vitamin D from the sun or UVB
• Adding UVB and heat to fish waste found to produce Vitamin D
• UVB increased Vitamin D2 in mushrooms
• Your body needs sunshine for health - even Australia agrees
• UVB added in classroom reduced cavities, increased height, increased academics. etc
• High-altitude Cusco, Peru has far lower rate of COVID-19 than others (high UVB and Vitamin D)
• 40 percent less likely to gain weight if live at high altitude (no mention of UVB nor vitamin D)
• One UV lamp produced the most vitamin D and NO with the least DNA damage
• UV reduces cardiovascular and metabolic problems– Vitamin D plus Nitric oxide
• Sun is better than UV, which is better than Vitamin D
• Myopia not related to Vitamin D if assume same D generated any time of the day
• Most air pollutions reduce Vitamin D (PM2.5 is worst)
• Vitamin D from low-cost UVB lamps
• Melanoma REDUCED by those getting the most UV, unless 5 blistering sunburns while in teen years
• Wrinkles and UVB
• UV and Vitamin D calculators
• Vitamin D bulb for use in the home - or perhaps office
• Vitamin D genes vary with UVB in Europe, Africa, Asia
• Simulated Mars trip ran low on vitamin D (no supplements, no UV)
• UVB not help chickens much (no surprise – shined on feathers, not legs)
• Lack of health insurance varies with latitude - inversely with UV
• More UVB results in more Vitamin D (chimps in zoos in this case)
• Psoriasis decreased and vitamin D increased with home UV lamp
• Interview with transcript concerning UVA, UVB, and health – Grant
• The UVB–vitamin D3–pigment hypothesis is alive and well (behind short paywall)
• Even cows need more than 90 minutes in the sun each day
• Insects create Vitamin D from light (similar to most animals)
• Vitamin D produced by hands and face is 8X more than elsewhere
• 3.3 X more likely to be Vitamin D deficient if wear long-sleeves
• Model discovered: More UV, less COVID (many excellent charts)
• How UVB reduces autoimmune diseases such as Multiple Sclerosis
• UVB annual US - 1978-2014
• UV and COVID: Prevention and perhaps treatment
• Air pollution decreases Vitamin D levels (while pregnant in this case)
• More UV during first trimester, less Osteoporosis in offspring
• China has documented that less UV results in more cancer
• Too much UVB: skin cancer, too little UVB: other cancers due to low vitamin D
• Vitamin D and UV safe and toxic doses - Vieth 1999
• UVB improvements to Vitamin D receptor appear to improve melanoma survival
• UV LEDs (293 nm) produce the more Vitamin D in skin than 290-305 nm UVB
• Mutiple Sclerosis half as likely in children spending 30 to 60 minutes per day in the sun
• Off Topic: Exercycle for high-intensity exercise with UV
• 11 percent fewer COVID-19 deaths if lockdowns had allowed sunshine
• Poor responses to UV and Vitamin D were correlated to just 4 poor genes
• COVID-19 deaths - 30 percent fewer if high UVA (US, etc)
• 4th highest county in the US has a very low COVID-19 rate (high UV, high vitamin D)
• Colorado has the best UV (and thus best health) in the US
• One group of coal miners had surprising high Vitamin D levels in Sept (suspect low-cost UVB)
• UVB Kiosk used for 10 weeks raised Vitamin D level the same as a 25 cents pill
• Infectious mononucleosis and lack of UV linearly linked to MS in England
• UV has treated psoriasis for over a century, guidelines finally agreed upon
• Many Organ transplants cause skin cancer – what is the role of UV
• Each hour of outdoor work in India increased vitamin D levels by 2 nanograms
• Vitamin D production after UVB exposure – A comparison of exposed skin regions
• The Greatest Public Health Mistake of the 20th Century (sunscreen block Vitamin D) - 2017
• Most sunscreens actually increase the growth of skin cancer
• Some cancer rates are reduced when live at high altitude, but other cancers increase after a few generations
• Organ Transplant patients probably need more UV and or vitamin D
• Colds substantially reduced by Vitamin D or UV during military training
• COVID-19 onset strongly associated with latitude in Europe (Vitamin D)
• COVID-19 cases in Delhi increased 7 days after pollution (less UV and Vitamin D, indoors more)
• Vitamin D from the sun without the heat (silver-coated plexiglass)
• Book: Sunlight, UV, Vitamin D and Receptor, Skin and other Cancers
• 1 watt optical output UVB LED array
• UV provides the best explanation of COVID-19 variation in Italy (74 pcnt)
• 4X more suburban UV than urban UV
• More UVB, less Coronavirus – including SARS-CoV-2
• Far fewer COVID-19 deaths in the summer (Europe, Canada)
• Less COVID-19 at high altitude due to more Vitamin D or other possible reasons
• PM2.5 pollution associated with 9 types of deaths (all associated with low Vitamin D)
• Health benefits of non-burning exposure to UV light
• More UV and vitamin D, less infectious disease
• Less sun means more disease -Grant, Holick, Cannell, et al
• The sun provides more health benefit than vitamin D – Dr. Lucas podcast
• Many wavelengths of light provide health benefits, not just UV
• Opinion: sun better than UV better than vitamin D
• Perhaps more benefits from UV than just vitamin D - 2006
• UVB phototherapy (which increases Vitamin D and VDR) decreased risk of many heart and stroke problems
• Plants and UVB
• Ultraviolet light kills cold and flu viruses, and generates Vitamin D in the skin
• Influenza Virus aerosols killed by 10 minutes of sunlight (far faster if use UV-C)
• Some childhood cancer 30% less likely in parts of California with more UVB
• Less intestinal cancer in mice if add vitamin D, but even less with ultraviolet light
• UV decreases Multiple Sclerosis via cis-urocanic acid (and via vitamin D)
• Sun reduces risk of Multiple Sclerosis via both Vitamin D and another way
• Chicken bones, eggs, and activated vitamin D in eggs increased with 2 hours of daily UVB
• Multiple Sclerosis 2X more likely if low winter UV
• Vitamin D from UV LEDs – US patent application
• Air pollution reduces UV and thus vitamin D
• Cystic Fibrosis - vitamin D level in blood varies with UV
• Good gut diversity if Ultraviolet Light or if supplement with Vitamin D
• UV helped EAE mice (MS) designed to not respond to Vitamin D
• Multiple Sclerosis suppressed by an Ultraviolet wavelength not associated with Vitamin D (mice)
• MS prevention by UV is 2X better than prevention by vitamin D levels
• More UVB at 12th week of pregnancy associated with less Juvenile Idiopathic Arthritis
• Vitamin D produced in pig skin by 296 nmeter UV-LEDs
• UVB effects on genes of those with and without Psoriasis
• UVB increases vitamin D even if poor kidney by changing CYP27B1 genes in skin
• Women wearing hijab in tropics need at least 1 hour noon sun daily in summer
• IBD and UV dissertation - 2019
• Vitamin D in eggs increased 4X after UV lighting near legs was added
• UVB on legs of chickens resulted in 70 IU vitamin D per egg yoke
• 3X more allergy to peanuts if child born with low UV
• Air pollution associated with 45 percent increased risk of Vitamin D deficiency while pregnant
• Vitamin D Receptor in vitiligo skin activated by UVB
• Light (especially UV) and Health conference – Germany
• Vitamin D and Sun conference – Germany
• Large variability in response to UV (more than response to oral Vitamin D)
• UV meters
• UV Winter in Northern but not Souther Europe
• Diverticulitis less likely AND less severe if high level of vitamin D
• Multiple Sclerosis half as likely if get plenty of sunshine (not a news item)
• Lack of UV 20X more associated with MS than any other variable
• More UVB is associated with less cancer – study of 450,000 people
• Solar UVB reduces Cancer Risk – Grant,
• Getting little UV is associated with 15 types of Cancer
• The sun appears better at reducing incidence of some cancers than vitamin D
• The risks and benefits of sun exposure – Holick
• Response to UV varies more with pigment genes and age than skin color
• Low Vitamin D if low UV (Pregnant Japanese, 2012)
• Possible DNA damage of skin if vitamin D levels less than 20 nanograms
• Vitamin D protects DNA against UV skin damage – 5 studies 2012-2013
• Make your own UVB Vitamin D lamp for 40 dollars
• Hypothesis - more in sunshine than vitamin D to reduce MS
• Darker skins generated much less vitamin D from a single UVB dose
• In Defence of the Sun – reduce 400000 premature deaths – 2009
• Photobiology of Vitamin D – free chapter in book – Holick 2010
• Vitiligo (loss of skin pigment) treated by narrowband UVB
• Air conditioning has not totally canceled the latitude effective in the US yet
• Brain cancer in 175 countries related to low UVB and low vitamin D
• Ultraviolet light (like Vitamin D) is great, especially while pregnant
• Hypothesis – UV treat epilepsy
• Hypothesis: UVA through window glass decreases vitamin D - 2009
• UVA decreased vitamin D levels (again)
• UV Maps, US etc
• Spring sunshine in snowy Finland normalized Vitamin D levels to 36 nanograms – 2017
• Household chemicals found to be the source of half of urban pollution (and thus decreased urban vitamin D)
• Health and Light - Ott 1973
• UV is one of the ways to increase Vitamin D levels, even with poor kidney
• Vitamin D from phototherapy lamps, tanning beds, and the sun
• Dark skin does not generate as much vitamin D from the same amount of UV
• Vitamin D – wait for Random Controlled Trials, rebuttal – not wait and consider UV
• Problems with low UV and vitamin D in Scotland
• Ultraviolet Light in Human Health, Diseases and Environment - book 2017
• Exposing some blood to Ultraviolet light has treated various health problems, then antibiotics came along
• UVB LED bracelet might produce 600 IU of vitamin D in 1 minute
• Vitamin D review
• Ultraviolet light (which produces vitamin D) decreased the use of psoriasis drugs for a year
• UV light does not activate immunity genes, but Vitamin D supplements do
• Sun and UV
• UVB 50 percent more response in obese than normal weight (other study disagrees)
• UVA causes skin cancer, perhaps UVB (Vitamin D) prevents skin cancer
• Skin cancer (in mice) due to UV was prevented by vitamin D (active, topical)
• UVB 3X per week raise vitamin D levels more than did 1600 IU daily
• 3 tanning sessions raised vitamin D levels about 4 nanograms for about 4 weeks
• Phototherapy and vitamin D
• A short history of phototherapy, vitamin D and skin disease
• Heliotherapy treated children – 1926
• Atherosclerosis prevented by Ultraviolet light (UVB in mice)
• UV lamps were used in WWII bunkers
• Even small amounts of UVB result in increased vitamin D levels
• Multiple Sclerosis helped by UV – possibly via cytokines, etc.
• Hypothesis – Multiple Sclerosis risk increases with low UV, viral infections, and antibiotics in childhood
• 68 percent got vitamin D above 40 ng by regular use of tanning bed
• UV production of Vitamin D varies with the individual – 2010
• Macular Degeneration decreased with UV and perhaps Vitamin D genetics
• Low UVB (thus low Vitamin D) is linked to many diseases – Grant
• A review of the evidence regarding the solar ultraviolet-B-vitamin D-cancer hypothesis
• Stronger bones if get UVB (vitamin D) when young – in storks as well
• IBD more likely in areas with low UV ( and thus low vitamin D)
• Low UVB countries have higher leukemia rates
• Extreme preterm survival 30 percent less likely if little sunshine 23-28 weeks
• UV and macular degeneration
• UVB produced 8X more vitamin D as solar UV
• Benefits of sun are more than vitamin D – 2008
• UV improves immune system without increasing vitamin D levels in male mice
• A wrist-watch which measures UVA plus UVB - should NOT be used to increase vitamin D
• Ultraviolet B needed for indoor cows to have enough vitamin D in milk
• Risks and benefits of UV radiation in older people: More of a friend than a foe
• Vitamin D video: calcification, narrow-band UV, 4,000 IU, 50 ng – Dr. DeLuca
• UV – adverse and beneficial effects – review
• Hypothesis and rebuttal: UV is affecting chickenpox and shingles – 2011
• For small amounts of sunshine the amount of skin exposed may not matter
• Metabolic Syndrome reduced 2X after one year of more sunlight
• Another vitamin D meter fails to distinguish UVB from UVA – Violet
• Yet another UV monitor for vitamin D to avoid – Sunsprite
• WHO analysis of optimal UV - 2006
• How many minutes of sun do I need – age, skin color, UV index
• Fewer heart attacks, hip fractures and deaths if more skin cancer
• Hypothesis: Vitamin D or UV will decrease bladder cancer
• NB UVB increased vitamin D levels while decreasing psoriasis and CYP27A1
• Many other anti-cancer photoproducts generated on the skin in addition to vitamin D
• UVB improved vitamin D levels in 3 diseases, controls improved more – PHD
• Wondering about SAD, Vitamin D deficiency and lack of UV when no snow
• Beneficial effects of UV radiation other than via vitamin D production
• UV spectra of the sun and sunscreens
• Mouse MS: UVB but not Vitamin D reduced incidence
• Hypothesis: Sun provides more than vitamin D
• Top UK soccer coach installed vitamin D booths in his club
• UVB Global average radiation (Australia is not highlighted)
• Speculation on additional sources of vitamin D: UVC, Xray, plants
• Weight loss by UV or Vitamin D
• Australian shade audits finds UV typically reduced by only 2X to 8X
• Shade reduces UV by 3X at noon
• Eczema not reduced in small study which used narrowband UVB to raise vitamin D levels
• Cancer incidence in 87 countries is related to food, smoking, alcohol, GDP, and UVB
• Environmental factors that influence the cutaneous production of vitamin D – Holick 1995
• UV and Melanoma: are they related – 2013
• People with no UV for 6 months in the winter need at least 2000 IU of vitamin D
• UV Radiation and the Skin
• SOLAR ultraviolet radiation and vitamin D: a historical perspective
• Vitamin D produced by UVB
• Use of tanning beds would reduce associated deaths by 10X
• Psoriasis treatment by narrowband UV B – review
• Chronic Kidney Disease clinical trials of UV in Germany
• 4 uses of tanning beds per year did not reduce rate of internal cancers
• Tanning beds UVB vary by 4X
• Texas company claimed tanning beds prevent cancer – had to pay 142,000 dollar fine
• Eye cancer and UV – Review of controversy
• UV better than vitamin D in reducing metabolic syndrome in mice – Thesis
• Vitamin D seasonality is a function of amount of atmosphere in the way
• Tuberculosis, UV and perhaps vitamin D
• UVA from some tanning beds and most windows decrease vitamin D blood levels
• Need lots of UV AND vitamin D to reduce risk of breast cancer
• Dermatologists view of UV radiation and the Skin
• UV workshops in New Zealand
• Those low on vitamin D get the most sunbed benefit
• Tanning bed, like vitamin D supplements, has non-linear relationship with blood levels
• UV and Vitamin D with in vitro model – PhD WJ Olds 2010
• Tuberculosis varies with UVB in Australia
• UV and Vitamin D
• Estimate of reduced Nordic mortality if increase UV or vitamin D
• 20 percent less Rheumatoid Arthritis if got lots of sunshine
• Sepsis bacteria can be killed by blue as well as UV light
• Getting sunshine improves your health provided you do not sunburn - Grant
• Yet again, some cancers of esophagus vary with UV
• Red-haired mice can get melanoma without UV
• Vitamin D protects mouse from skin cancer
• Intense UV damages cadaver skin
• UV in cloudy conditions
• UVB and vitamin D inversely associated with pancreatic cancer
• Impediments to UV Vitamin D Cancer hypothesis
• Wear glasses when getting vitamin D from the sun
• There is more in UV than vitamin D which suppresses MS in mice
• Solar UV Doses of Adult Americans and Vitamin D3 Production
• Weekly UV almost doubled elderly Vitamin D levels
• Reptiles ate as well with all UV sources
• Is the UVB action spectrum for vitamin D correct – no vitamin D winter - 2010
• Do UVA and UVB affect the body in different ways
• Hypothesis: Chicken pox varies with UV, not temperature
• Lack of solar UVB in US is associated with some Cancers - 2006
• Living in areas with more UV decreased lymph problems by 42 percent
• Obesity and diabetes reduced when move to better neighborhood – or better UV
• Perhaps UV is Addicting
• UV far from the equator
• Pulsed UV decreased peanut allergen by as much as 90 percent
• UV spectra to produce vitamin D
• Some cancer due to low UV – Grant
• A vitamin D analog reduced UV generated skin cancer in mice
• Ultraviolet Radiation and the Anterior Eye
• Prototype armband measures amount of UV
• Another vitamin D lamp to be developed in 2011
• Most cataract surgery intraocular lenses block UV
• UV provides 2000 X more benefit than problem – 2006
• MS UV and Vitamin D – 2009
• UV suppresses MS but vitamin D might not
• Lack of UV increased offspring MS
• Hypothesis on UVB and solar cycle
• Some fish can see in UV
• Recommendations to elderly- avoid UV but take vitamin D
• UV dosimeters are being developed – similar to nuclear radiation dosimeters
• Citrus peel absorbs 3X more pulsed UVB in summer – 2008
• Photoprotection and vitamin D status - not much news
• Study Suggests Indoor Tanning Boosts Chances of Melanoma
• 4X variation in UV over the 11 year solar cycle
• No association between reported UV and vit D and incidence of breast cancer
• 50 seconds in front of 8 UVB tubes will boost vit D