See also in VitaminDWiki
Skin - Dark category listing hasOverview Dark Skin and Vitamin D
Dark skin pregnancies and Vitamin D - many studies
African American Health Disparities are associated with low Vitamin D - Grant Feb 2021
Increased health problems in blacks is similar to that of low vitamin D whites (John Singleton Stroke) has the following
Black Strokes
- Blacks with strokes having low Vitamin D were 3 times more likely to have cognitive impairment – Nov 2016
- Stroke outcome 6.9 X worse if black and overweight (all three related via low vitamin D) – March 2018
Perhaps Blacks need more D to get same blood level
Living less while black (a take-off on "driving while black")
Pregnant while black
- Dark skin pregnancies and Vitamin D - many studies
- Pregnant while black increases chance of death – mothers 3X, infants 2X (low Vitamin D) – Feb 2019
Dark Skin Other Health Problems
- 10 health problems associated with Dark Skin (low vitamin D)
- Sleep fragmentation 2X worse in UK senior women having dark skins – Jan 2019
- Bone, Cognition, Autism, Breathing, Breast Cancer, Prostate Cancer, Hypertension, Mortality, Obesity, Pain ...
- Blacks are more obese, have lower Vitamin D, and have more Cancer etc. than whites – Feb 2018
- Crohn's disease in black children is worse in 6 ways – Dec 2015
- Black Sudanese children 350X more likely to have rickets than other Australians – April 2012
- Bibliography of Black-White health disparities linked to vitamin D - Dr. Grant March 2017
- Blacks have 4X more Kidney disease than whites – probably due to low vitamin D – March 2015
- Overview Dark Skin and Vitamin D
Table of contents
- Items in both categories Dark Skin and Bone are listed here:
- Items in both categories Dark Skin and Cognition are listed here:
- Items in both categories Dark Skin and Autism are listed here:
- Items in both categories Dark Skin and Breathing are listed here:
- Items in both categories Dark Skin and Breast Cancer are listed here:
- Items in both categories Dark Skin and Prostate Cancer are listed here:
- Items in both categories Dark Skin and Hypertension are listed here:
- Items in both categories Dark Skin and Mortality are listed here:
- Items in both categories Dark Skin and Obesity are listed here:
- Items in both categories Dark Skin and Pain are listed here:
- Items in both categories Dark Skin and Seniors are listed here:
- Items in both categories Dark Skin and Sports are listed here:
- Items in both categories Dark Skin and Women are listed here:
Items in both categories Dark Skin and Bone are listed here:
- Vitamin D should be an almost universal feature of the care of young adults with sickle cell disease – May 2018
- Vitamin D paradox – Blacks need Vit D for health, but not as much D for strong bones – May 2018
- Sickle Cell clinical trial will inject 300,000 IU of vitamin D – RCT due 2020
- Sickle Cell children need more than 7,000 IU of vitamin D daily – May 2015
- Overview Sickle Cell and Vitamin D
- Sickle cell Vitamin D deficiency corrected with 160 K IU loading dose – July 2014
- Bone density does not decrease with lower vitamin D levels in blacks as it does in whites – April 2014
- Vitamin D different relationship between whites and blacks for bone and plaque – June 2012
- Sickle cell and low vitamin D – 3 presentations Dec 2012
- Forearm fracture 3.5X more often in black children with low levels of vitamin D – Sept 2012
- Sickle Cell Anemia: 64 percent had less than 10ng of vitamin D – April 2012
- Black seniors near equator: increased vitamin D decreases bone density – Sept 2011
- 14000 IU vitamin D (50000 twice a week) often stops Sickle Cell pain
- Blacks may not need as much Vitamin D (for their bones)
- Low vitamin D before orthopedic surgery – dark skin 5X more likely – Oct 2010
- Arthritis 2X as severe in African-Americans - April 2010
Items in both categories Dark Skin and Cognition are listed here:
- Less cognitive decline in older blacks getting 2,000 IU of vitamin D daily for years (VITAL, etc. post analysis) – RCT Dec 2021
- African Americans are more likely than whites to develop Alzheimer’s (Vitamin D)
- IQ levels around the world are falling (perhaps lower Vitamin D, Iodine, or Omega-3)
- Senior Blacks with low vitamin D were 2X more likely to experience cognitive decline 5 years later – March 2018
- Blacks with strokes having low Vitamin D were 3 times more likely to have cognitive impairment – Nov 2016
- Vitamin D Helps Atlanta High School Athletes - Feb 2012
Items in both categories Dark Skin and Autism are listed here:
- Autism with intellectual disability 2.5 times more likely if low vitamin D during pregnancy – April 2016
- Off topic: CDC deleted a 3X increase in black male autism due to vaccination – whistle blowing Aug 2014
- Autism associated with low UVB – Oct 2012
- Autism more frequent from mothers who are dark skinned or veiled – Jan 2011
Items in both categories Dark Skin and Breathing are listed here:
- Black infant recurrent wheezing rate dropped from 42 percent to 31 percent with just 400 IU of vitamin D – RCT Dec 2018
- Indoor pollution is a problem with obese black asthmatic children – May 2018
- Lung capacity (Vo2max) reduced in senior African American women with low vitamin D – Feb 2014
- Many possible associations of increased asthma in black children – Nov 2010
- Vitamin D deficiency is prevalent among asthmatic African-Americans – Aug 2010
Items in both categories Dark Skin and Breast Cancer are listed here:
- Cancer of breast is highest in dark-skinned women (low Vitamin D: dark skin and obese) - Feb 2022
- Breast cancer in blacks – 5X increased risk of triple negative if low vitamin D – Oct 2017
- Hypothesis: Vitamin D is related to breast cancer racial disparities in the US - Sept 2012
- Genes may account for some of AA Breast Cancer – April 2012
- Breast cancer worse for black women – Sept 2011
- Breast cancer more deadly for blacks than whites
Items in both categories Dark Skin and Prostate Cancer are listed here:
- Prostate cancer patients in Jamaica were 5X more likely to die of PC if low vitamin D - Sept 2022
- Prostate Cancer risk in black men increased 2X having poor Vitamin D Binding Protein – July 2017
- Prostate cancer in black men is 1.6 times more likely if a poor Vitamin D Receptor – Feb 2017
- Aggressive Prostate Cancer in blacks with low vitamin D – 7X more likely if added Calcium – Jan 2017
- Higher rate of prostate cancer in AA may decrease if take vitamin D – July 2016
- Prostate Cancer incidence and death 2X more often among black men (vitamin D not mentioned) - July 2015
- Tanning potential predicts risk of Prostate Cancer in Blacks – Nov 2014
- PSA levels in blacks were not changed by 3 months of 4,000 IU of vitamin D (not enough) – June 2014
- 2X less prostate cancer in A-A with low Calcium is due vitamin D receptor gene – July 2013
Items in both categories Dark Skin and Hypertension are listed here:
- Stroke 3 times more likely if dark skin woman has Hypertension before age 35 - Feb 2024
- 26 health factors increase the risk of COVID-19 – all are proxies for low vitamin D
- Increased health problems in blacks is similar to that of low vitamin D whites (John Singleton Stroke)
- Hypertension is more likely in those with darker skins (low vitamin D) 2017
- Vitamin D different relationship between whites and blacks for bone and plaque – June 2012
- Vitamin D accounts for 25 percent of the racial differences in blood pressure – Oct 2011
- Hypothesis that lack of vitamin D increases blood pressure in blacks – July 2010
Items in both categories Dark Skin and Mortality are listed here:
- US maternal death rate increasing (low D not mentioned) - March 2023
- COVID-19 mortality for Blacks is 5X that for whites in 2 LA Hospitals - July 2021
- COVID-19 was the third-leading cause of death in the US, especially in those with dark skins - April 1, 2021
- Deaths after Cancer Surgery higher in blacks (probably low vitamin D) – Dec 2020
- Shift workers 2X more likely to get COVID-19 (low Vitamin D) - Dec 2020
- COVID-19 was killing dark-skinned doctors, then they got a Vitamin D recommendation
- COVID-19 more frequent and deadly for those with dark skins (high risk of low vitamin D)
- Differences in black and non-black mortality and vitamin D – Oct 2012
- More US deaths due to cancer than heart if dark skinned – Sept 2012
- Telomeres improved when obese blacks took 2000 IU of vitamin D daily – Oct 2011
- Do blacks have a 5 year life penalty due to low vitamin D
- CVD deaths related to low vitamin D, especially in people with dark skin – 2010
Items in both categories Dark Skin and Obesity are listed here:
- Dark-skinned people have low vitamin D (Obese pregnant women in UK in this case) – Sept 2024
- UK vitamin D levels vs race and obesity (all less than 30 ng) – April 2024
- Predictors of low vitamin D: race, age, and BMI (confirmed now by Machine Learning) – Feb 2024
- Cancer of breast is highest in dark-skinned women (low Vitamin D: dark skin and obese) - Feb 2022
- Sarcopenia with obesity is more likely if dark skin, diabetes, OR COPD (all associated with low vitamin D)
- 26 health factors increase the risk of COVID-19 – all are proxies for low vitamin D
- Half of obese black teens achieved at least 30 ng of Vitamin D with 5,000 IU daily – June 2018
- Stroke outcome 6.9 X worse if black and overweight (all three related via low vitamin D) – March 2018
- Indoor pollution is a problem with obese black asthmatic children – May 2018
- Blacks are more obese, have lower Vitamin D, and have more Cancer etc. than whites – Feb 2018
- Increase in Vitamin D deficiency with weight and skin darkness – chart – March 2016
- 5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015
- Obese diabetics with dark skins not benefit from 6,000 IU of vitamin D daily (no surprise) – RCT March 2015
- African-Americans at high risk of obesity and diabetes - 2011
- Bariatric surgery less than 30 ng of vitamin D – 82 pcnt teens, 100 pcnt of black teens – June 2012
- Low vitamin D associated with obesity-related diseases for ethnic minorities – Sept 2011
- Reasons for low response to vitamin D
- Telomeres improved when obese blacks took 2000 IU of vitamin D daily – Oct 2011
- Black women lacking Calcium and Vitamin D weighed more – Aug 2011
- Dark skinned obese not helped much by weekly 50000 IU dose of vitamin D – May 2011
- Black obese children had low vitamin D and more fat under skin than whites – Mar 2011
- Obesity in American-Indians and African-American teens
- Vitamin D3 in obese and non obese African American children – 2008
- Low vitamin D in teens: especially black or overweight – June 2010
Items in both categories Dark Skin and Pain are listed here:
- Vitality recaptured with Vitamin D (stories of Swedish immigrant women in this case) – Dec 2019
- Pain following auto accident is worse if low vitamin D (for African Americans) – April 2015
- Dark skinned in Norway: 1000 IU vitamin D not enough to reduce pain – RCT Sept 2014
- Most immigrant women in Sweden had little vitamin D and lots of muscle pain – May 2013
- Sleep disorder and nonspecific pain implies low vitamin D, especially if dark skin – March 2013
- 150,000 IU vitamin D reduced pain in immigrants – RCT Dec 2012
- Blacks had lower vitamin D and more quantifiable pain than whites with knee osteoarthritis – Nov 2012
Items in both categories Dark Skin and Seniors are listed here:
- Predictors of low vitamin D: race, age, and BMI (confirmed now by Machine Learning) – Feb 2024
- Menopause is earlier in black women (low vitamin D) - Aug 2023
- Less cognitive decline in older blacks getting 2,000 IU of vitamin D daily for years (VITAL, etc. post analysis) – RCT Dec 2021
- Response to UV varies more with pigment genes and age than skin color – Jan 2019
- Physical performance of black senior women not improved with 30 ng of Vitamin D – RCT Nov 2018
- Seniors in North Indian: half have sore bones, 98 pcnt have less than 30 ng vitamin D – Nov 2011
- Even young Caucasians do not get enough time in the sun – Oct 2011
- Anemia associated with lower than 20 ng vitamin D among elderly – Jan 2011
Items in both categories Dark Skin and Sports are listed here:
- Every single Taekwondo (indoor) Korean teen had low Vitamin D – Sept 2019
- NCAA athletes – one third had low levels of vitamin D, 19X more likely if black race – March 2015
- Dark skinned NCAA basketball players were 15X more likely to have low vitamin D – Feb 2014
- Vitamin D Helps Atlanta High School Athletes - Feb 2012
- Vitamin D bed used 4 minutes daily by dark skin members of UK sports team – Jan 2011
- Low vitamin D in teens: especially black or overweight – June 2010
- Vitamin D levels dropped after training for white, but not black females April 2010
Items in both categories Dark Skin and Women are listed here:
- Menopause is earlier in black women (low vitamin D) - Aug 2023
- Immune systems of overweight black women improved by monthly 60,000 IU Vitamin D – RCT Oct 2022
- Vitality recaptured with Vitamin D (stories of Swedish immigrant women in this case) – Dec 2019
- Pregnant while black increases chance of death – mothers 3X, infants 2X (low Vitamin D) – Feb 2019
- Urgency Urinary Incontinence in senior black women decreased 40 percent by weekly 50,000 IU vitamin D – RCT Dec 2018
- Breast cancer in blacks – 5X increased risk of triple negative if low vitamin D – Oct 2017
- Malay women 14 X more likely to be Vitamin D deficient than Chinese in Malay – July 2017
- CDC vitamin D statistics for women: including blacks and high BMI – March 2012
- Dark skin pregnancies and Vitamin D - many studies
- Vitamin D levels dropped after training for white, but not black females April 2010
10 health problems associated with Dark Skin (low vitamin D)
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