Youth category listing has
- Vitamin D for Adolescents - review 2019
- Vitamin D levels in teens restored with 150,000 IU monthly for 3 months (mean 33 ng) – Oct 2021
- 2,000 IU of vitamin D daily helped 80 percent of adolescents – Dec 2020
- Do teens need just 10 ng or up to 60 ng of vitamin D – Review Nov 2019
- Metabolic Syndrome in Chinese youths 2.5 X more likely if less than 20 ng of vitamin D – Sept 2018
- Low levels of Vitamin D in UAE juveniles (virtually none had 30 ng) – Jan 2018
- Reasons for children having low vitamin D (proposed by 10 societies) - May 2018
- Vitamin D restored in teens by doses totalling 300,000 IU – Nov 2014
- Multiple Sclerosis increasing in teens – at least 2X in 9 years
- Majority of adolescents have far less than optimum vitamin D levels – Oct 2017
- Many US kids have less than 40 ng of Vitamin D – 99 out of 100 blacks, 91 out of 100 whites – Jan 2017
- Takes a year to restore children and youths to good levels of vitamin D without loading dose - RCT Dec 2016
- Slow walking speed of youths 14 times more likely if low vitamin D - Dec 2016
see also category Infant-Child which has
Items in both categories Intervention and Youth are listed here:
- Depression cost-effectively reduced by 50,000 IU of Vitamin D monthly (Iranian teens) – July 2023
- Tuberculosis treatment helped a bit by a bit of Vitamin D - RCT Feb 2022
- Vitamin D levels in teens restored with 150,000 IU monthly for 3 months (mean 33 ng) – Oct 2021
- 2,000 IU of vitamin D daily helped 80 percent of adolescents – Dec 2020
- Swine flu not prevented by 2,000 IU of vitamin D daily (the upper limit at the time) – RCT 2014
- Migraines in youths with low Vitamin D wonderfully treated by Vitamin D – June 2019
- 450,000 IU of vitamin D over 9 weeks given to 100,000 teenage Iranian girls helped their livers – Feb 2019
- Half of obese black teens achieved at least 30 ng of Vitamin D with 5,000 IU daily – June 2018
- Winter youths need at least 1200 IU of vitamin D to maintain 20 nanograms – RCT 2016
- More calcium in bones in those teenage girls getting 2,000 IUs daily – RCT Jan 2016
- 5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015
- Vitamin D restored in teens by doses totalling 300,000 IU – Nov 2014
- Girls in India grew much faster when given Vitamin D, Ca, Zn, multi. – RCT Oct 2013
- Muscle strength in youth increased with 60,000 IU vitamin D per week and 1 g Calcium – April 2010
Pages listed in BOTH the categories Youth and Obesity
- Insulin resistance in overweight youths treated Vitamin D (such as 50K IU weekly) – meta-analysis April 2024
- Child Obesity and Vitamin D - many studies
- Based on PTH response, obese adolescents may not need and much vitamin D as non-obese (12 ng vs 16.5 ng) – June 2021
- Overweight children are 3.4 X more likely to have low Vitamin D – March 2019
- Half of obese black teens achieved at least 30 ng of Vitamin D with 5,000 IU daily – June 2018
- The Convergence of Two Epidemics: Vitamin D Deficiency in Obese School-aged Children – Jan 2018
- Obese children – 71 percent had low vitamin D– Jan 2016
- 5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015
- Obese children and youths need more vitamin D – Review Feb 2015
- Obese teens need more than 2,000 IU of vitamin D for 3 months– RCT Feb 2015
- Vitamin D deficiency 4X more likely in Italian teens if: dark skin, winter, obese, little sun, or use sunscreen – June 2014
- Increasing time with indoor media, prescribe time outdoors - Sept 2013
- Italian youth vitamin D deficiency increased likelihood: 27X if winter, 5X if obese, etc. – Aug 2013
- 3X more abdominal obesity among Korean children having low vitamin D – July 2012
- Korean teens more likely to be obese if have less than 18 ng of vitamin D – June 2012
- Bariatric surgery less than 30 ng of vitamin D – 82 pcnt teens, 100 pcnt of black teens – June 2012
- Teen obesity strongly associated with vitamin D deficiency – April 2012
- Obesity lowers vitamin D which increases probability of diabetes in children – Nov 2011
- Obese teens needed 4000 IU of vitamin D - Nov 2011
- Black obese children had low vitamin D and more fat under skin than whites – Mar 2011
- Increased forearm fractures in obese children - Nov 2010
- Perhaps low vitamin D increases child obesity - Sept 2010
- Obesity in American-Indians and African-American teens
- Low vitamin D in teens: especially black or overweight – June 2010
- Calcium deficiency is a risk factor for overweight female teenagers April 2010
Here are all of the Youth articles
^Search for items in this category:
- COVID vaccination increased risk of autoimmune disease by 23% (teens in Israel) - May 2025
- Months after 2nd COVID vaccination, emergency room visits increased 20% (100,000 Danish teens) - Jan 2025
- Pediatric-Onset Multiple Sclerosis - several studies
- French children prescribed liquid vitamin D - daily, monthly and quarterly - Nov 2024
- International Adolescent Anxiety and suicide rates - GBD April 2024
- Insulin resistance in overweight youths treated Vitamin D (such as 50K IU weekly) – meta-analysis April 2024
- Country noticed that their youths need more Vitamin D (Norway this time) – Feb 2024
- Depression cost-effectively reduced by 50,000 IU of Vitamin D monthly (Iranian teens) – July 2023
- Better visual memory if more vitamin D – April 2023
- Transgender associated with autism, low vitamin D, low BMD, etc. - many studies
- Childhood and youth obesity – more than 4,000 IU vitamin D average daily would help – meta-analysis Jan 2023
- Child Obesity and Vitamin D - many studies
- COVID vaccination increased by 137X the risk of 10-14 year olds of dying (UK) – Jan 2023
- Vaccinations banned in UK if under age 12, US planning on annual vaccinations - Sept 2022
- Increased risk of many neuro problems after COVID (1.4 X youths, 1.2X seniors) – Aug 2022
- Autism increased 53 percent between 2017 and 2020 - July 2022
- Pandemic Vitamin D levels dropped by 3.3 ng (perhaps less D, more health problems) – May 2022
- Prediabetes in US youths increased 2X in 2 decades - March 2022
- French pediatric consensus: 30 – 60 ng of Vitamin D – Feb 2022
- Majority of South Asian children and youths have low vitamin D (85 pcnt of neonates) – March 2022
- Tuberculosis treatment helped a bit by a bit of Vitamin D - RCT Feb 2022
- Younger are much less likely to die of COVID than elderly (posters) - Nov 2021
- Teens with low vitamin D were 4.2 X more likely to have metabolic syndrome – CASPIAN-V Nov 2021
- Vitamin D levels in teens restored with 150,000 IU monthly for 3 months (mean 33 ng) – Oct 2021
- Vitamin D for Adolescents - review 2019
- Based on PTH response, obese adolescents may not need and much vitamin D as non-obese (12 ng vs 16.5 ng) – June 2021
- Vitamin D deficient – 1 in 3 of young Australians have less than 20 ng – March 2021
- 2,000 IU of vitamin D daily helped 80 percent of adolescents – Dec 2020
- 2.5 X more health compaints in children and youths if low vitamin D – Jan 2021
- Autism associated with low Vitamin D (again) – Meta-Analysis Jan 2021
- 11 family members got COVID-19 due to one teen in 3 weeks – CDC Oct 5, 2020
- Children with low vitamin D far more likely to hospitalized with COVID-19 – Oct 2020
- Swine flu not prevented by 2,000 IU of vitamin D daily (the upper limit at the time) – RCT 2014
- US young adults – 24 percent have prediabetes (many low-cost ways to treat)– Jan 2020
- 26 X increase in Vitamin D prescriptions for youths in England in 8 years – Dec 2019
- Do teens need just 10 ng or up to 60 ng of vitamin D – Review Nov 2019
- Asthma 3.7X higher risk of poor Vitamin D Receptor (teens in Taiwan in this case) – Nov 2019
- Migraines in youths with low Vitamin D wonderfully treated by Vitamin D – June 2019
- Overweight children are 3.4 X more likely to have low Vitamin D – March 2019
- 450,000 IU of vitamin D over 9 weeks given to 100,000 teenage Iranian girls helped their livers – Feb 2019
- IBS (1 in 5 youths) strongly associated with low vitamin D – Dec 2018
- Vitamin D consensus for Italian children, 30 ng needed, up to 4,000 IU if over age 10 – May 2018
- Child exposed to smoke is 1.5 X more likely to have low vitamin D – Oct 2018
- Metabolic Syndrome in Chinese youths 2.5 X more likely if less than 20 ng of vitamin D – Sept 2018
- Attention-Deficit-Hyperactivity Disorder increasing (2.7X in US Blacks under age 18 in 20 years) – Sept 2018
- Low levels of Vitamin D in UAE juveniles (virtually none had 30 ng) – Jan 2018
- Half of obese black teens achieved at least 30 ng of Vitamin D with 5,000 IU daily – June 2018
- Reasons for children having low vitamin D (proposed by 10 societies) - May 2018
- Half of US high school students will have dark skins by 2025
- Bedwetting reduced 40 percent by 1,000 IU of vitamin D for 2 months – RCT Feb 2018
- Juvenile Lupus treated by Vitamin D – need more studies to understand why– Jan 2018
- Multiple Sclerosis increasing in teens – at least 2X in 9 years
- Vitamin D levels in juveniles in UAE decrease with age – Jan 2017
- Critically ill children – randomized clinical trial to give single doses of up to 400,000 IU of vitamin D – 2019
- The Convergence of Two Epidemics: Vitamin D Deficiency in Obese School-aged Children – Jan 2018
- Having several concussions as a teenager doubled the risk of Multiple Sclerosis – Sept 2017
- Children with headaches had less vitamin D – Oct 2017
- Why is teen anxiety increasing so much (no mention of Magnesium, Vitamin D nor Omega-3) – Oct 2017
- Majority of adolescents have far less than optimum vitamin D levels – Oct 2017
- Vitamin D guidelines of American Academy of Pediatrics said none should be even tested, yet 91 percent had less than 30 ng – June 2017
- Low back pain in 71 percent of youths in Egypt – associated with low vitamin D – April 2017
- Many US kids have less than 40 ng of Vitamin D – 99 out of 100 blacks, 91 out of 100 whites – Jan 2017
- Teenagers having sticky, painful knees (Osteochondrosis Dissecans) virtually always have low vitamin D – Dec 2016
- Type II Diabetes in children in India increased 4 X in 20 years – Nov 2016
- Takes a year to restore children and youths to good levels of vitamin D without loading dose - RCT Dec 2016
- Slow walking speed of youths 14 times more likely if low vitamin D - Dec 2016
- Winter youths need at least 1200 IU of vitamin D to maintain 20 nanograms – RCT 2016
- Result of 5 years of Vitamin D given to athletes in a high school: $60 million in scholarships, almost zero concussions, etc. - June 2016
- Urban children not have enough vitamin D even with 13 months of sunshine – March 2016
- Youths need 1500 IU to get even 20 ng of vitamin D – RCT March 2016
- More calcium in bones in those teenage girls getting 2,000 IUs daily – RCT Jan 2016
- Obese children – 71 percent had low vitamin D– Jan 2016
- Children stayed in ICU 3.5 days longer if low vitamin D – Dec 2015
- Rapid Normalization of Vitamin D in Critically Ill Children (10,000 IU per kg) – clinical trial
- 5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015
- Vitamin D levels vary during adolescence, often decreasing to insufficiency – Sept 2015
- Obese children and youths need more vitamin D – Review Feb 2015
- Depression 7X more likely in male youths if low vitamin D - Oct 2014
- Depression in youths associated with low vitamin D during pregnancy – Oct 2014
- Slipped upper femoral epiphysis (hip pain in teen) associated with vitamin D – meta-analysis May 2015
- 96 percent of Iranian children have low vitamin D and markers of metabolic syndrome– Sept 2014
- Suicide rate among Native American teens increasing (yet no mention of low vitamin D) – May 2015
- Vitamin D deficiency in adolescents – review Nov 2014
- Low Vitamin D Permeates All Stages of Psychosis – April 2015
- Obese teens need more than 2,000 IU of vitamin D for 3 months– RCT Feb 2015
- Low vitamin D during pregnancy associated with four health problems in children – Jan 2015
- Children with low vitamin D were 1.8 X more likely to have poor arteries 27 years later – Feb 2015
- Vitamin D loading doses of up to 400,000 IU OK for adolescents – meta-analysis Dec 2014
- Vitamin D restored in teens by doses totalling 300,000 IU – Nov 2014
- Vitamin D levels low in early teens - Nov 2014
- Juvenile Idiopathic Arthritis is strongly associated with low vitamin D – many studies
- Vitamin D deficiency 4X more likely in Italian teens if: dark skin, winter, obese, little sun, or use sunscreen – June 2014
- Class in High School eliminated Vitamin D deficiency: outdoors and food – May 2014
- Increasing time with indoor media, prescribe time outdoors - Sept 2013
- Girls in India grew much faster when given Vitamin D, Ca, Zn, multi. – RCT Oct 2013
- 2000 IU vitamin D raised virtually all Lebanese youths above 20 ng – RCT Oct 2013
- Vitamin D levels of Mexican children: mean 38 ng – May 2013
- Teens with higher levels of vitamin D were more fit in some ways– May 2013
- Italian youth vitamin D deficiency increased likelihood: 27X if winter, 5X if obese, etc. – Aug 2013
- Vitamin D statement by Society for Adolescent Health and Medicine – behind paywall July 2013
- Half of children with chronic illness had low levels of vitamin D – April 2013
- Milk fortification of 1000 IU got most children above 20ng of vitamin D – March 2013
- Symptoms of vitamin D deficiency vary with the age of the child – Feb 2013
- Vitamin D deficient children stayed in ICU almost 2 days longer – Sept 2012
- Comparison of Vitamin D supplementation guidelines for children – China 400 IU 2012
- Forearm fracture 3.5X more often in black children with low levels of vitamin D – Sept 2012
- Kids have recently reduced both cholesterol and vitamin D – Aug 2012
- Several papers on Vitamin D for critically ill children in Journal of Pediatrics – Aug 2012
- 3X more abdominal obesity among Korean children having low vitamin D – July 2012
- Korean teens more likely to be obese if have less than 18 ng of vitamin D – June 2012
- Bariatric surgery less than 30 ng of vitamin D – 82 pcnt teens, 100 pcnt of black teens – June 2012
- 5 out of 6 UK dark skinned kids who were vitamin D deficient had no symptoms – May 2012
- Teen obesity strongly associated with vitamin D deficiency – April 2012
- Delima: Most youths are vitamin D deficient – what to do – April 2012
- Virtually all young Koreans had less than 30 ng of vitamin D – 2012
- Teens no longer depressed after vitamin D raised to 36 ng – Feb 2012
- Ways to increase teen vitamin D
- Virtually all Chinese teens at 30 degree N have less than 30 ng of vitamin D – Feb 2012
- Children with severe asthma had much lower levels of vitamin D – Dec 2011
- 40 percent of Canadian children preparing for surgery had less than 30 ng of vitamin D – Feb 2012
- Septic shock and low vitamin D in children – Oct 2011
- 75 percent of children in NE US had less than 20 ng of vitamin D in winter – Dec 2011
- Children still need 30 ng of vitamin D – Nov 2011
- Obesity lowers vitamin D which increases probability of diabetes in children – Nov 2011
- Psychiatric disorders 4X more likely in teens if low vitamin D - Nov 2011
- Obese teens needed 4000 IU of vitamin D - Nov 2011
- Children surviving blood cancer and vitamin D levels – Nov 2011
- Children have PTH problems when vitamin D is less than 15 ng – Nov 2011
- 97 percent of Native American children have less than 30 ng of vitamin D – Oct 2011
- Teenage knee injury 4X increase in last decade in Philadelphia – Oct 2011
- Cancer in children 6X more likely if very low vitamin D – Oct 2011
- Children with low vitamin D were 4.8X more likely to get asthma – Oct 2011
- Dark Skinned youths and vitamin D in Southern Canada - Dissertation 2011
- 80 percent of teens in Europe had less than 30 ng of vitamin D – Aug 2011
- Vitamin D insufficiency in UK youths – 37X more likely if dark skin – July 2011
- Caucasian youths low on vitamin D were more likely to have hypertension – July 2011
- 300 IU vitamin D daily raised child levels to 20 ng from 8 ng – June 2011
- Dark skinned teens use media much more - June 2011
- Sun exposure protects children from asthma – May 2011
- Allergy - Overview
- Hardly any children had enough vitamin D before bone surgery – April 2011
- Black obese children had low vitamin D and more fat under skin than whites – Mar 2011
- Red Alert – one in three pre-teens in Tehran had less than 5 ng of vitamin D – Feb 2011
- AAP Issues Guidelines on Limiting Sun Exposure in Children – Feb 2011
- Children with Cancer were 6X more likely to have less than 10ng of vitamin D – Feb 2011
- 200 to 2000 IU vitamin D daily did not improve child bone density – BMJ Jan 2011
- South African white children 48 ng vitamin D – black 37 ng – Feb 2011
- 744 IU vitamin D needed by Northern white teens to prevent Rickets – Jan 2011
- Adding a little vitamin D for 3 months did not help bones of healthy children – Jan 2011
- Poorer teen cognition due to lower vitamin D or race – Dec 2010
- Why vitamin D is not a problem for some youth
- Increase in some childhood cancers with latitude – Nov 2010
- Youthful heart attacks associated with low vitamin D – Nov 2010
- 2000 IU raised black teens vitamin D level to 34 ng and they lost fat – Oct 2010
- Increased forearm fractures in obese children - Nov 2010
- 90 percent of Canadian youth less than 30 ng vitamin D – Oct 2010
- Perhaps low vitamin D increases child obesity - Sept 2010
- Bone density of children did not improve with 3 month of vitamin D – Oct 2010
- Less bone mass at age 9 if low vitamin D during pregnancy and childhood – Lancet 2006
- Children sicker now than in the past - 2007
- Could growing pains in a child be a vitamin D deficiency – Sept 2010
- White children in Johannesburg do not need vitamin D supplements – Sept 2010
- 800 IU Vitamin D while pregnant decrease child asthma by 2X- Sept 2010
- Some children with kidney disease cannot stand too much vitamin D – June 2010
- Obesity in American-Indians and African-American teens
- 600000 IU dose raised youth vitamin D level by 60 ng in 3 days – July 2010
- Corticosteroid decreased vitamin D levels in children with asthma – April 2010
- Vitamin D and multiracial teens in US – March 2009
- Low vitamin D among black teens – March 2009
- Teens increasingly indoors - especially if dark skin
- Low vitamin D in teens: especially black or overweight – June 2010
- Autistic children found to have very low vitamin D – June 2010
- To increase vitamin D levels in children need 1000 or 2000 IU – June 2010
- Severe asthma children 31X more likely to develop chronic obstructive lung disease -May 2010
- Muscle strength in youth increased with 60,000 IU vitamin D per week and 1 g Calcium – April 2010
- Calcium deficiency is a risk factor for overweight female teenagers April 2010
- Decreased vitamin D in children taking asthma drugs - April 2010