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ADHD and Vitamin D Deficiency

Did you know?
  • ADHD children have much lower levels of vitamin D
  • Less sun is associated with more ADHD (season and latitude)
  • The ADHD rate has increased a lot in past few decades - especially for adults
  • Vitamin D levels have dropped a lot in the past few decades
  • There are many positive observational studies of Vitamin D and ADHD
  • Magnesium and Omega-3 are also suspected in ADHD
          (More ADHD info below)

Learn how Vitamin D is essential for good health
  Watch a 5 minute video "Does Less Sun Mean more Disease?"
  Browse for other Health Problems and D in left column or here
  see also Supplementing for D and More in the menu at the top of very page

ADHD 2 X more likely if Tylenol used a lot during pregnancy (Autism increased too) – Dec 2016

{{ADHD 2 X more likely if Tylenol used a lot during pregnancy (Autism increased too) – Dec 2016))
Tylenol -


ADHD reduced by Omega-3 in trials either using high doses or over long term – July 2016

Critical appraisal of omega-3 fatty acids in attention-deficit/hyperactivity disorder treatment.
Neuropsychiatr Dis Treat. 2016 Jul 26;12:1869-82. doi: 10.2147/NDT.S68652. eCollection 2016.
Königs A1, Kiliaan AJ1.Department of Anatomy, Donders Institute for Brain, Cognition & Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands.
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Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder. The classical treatment of ADHD where stimulant medication is used has revealed severe side effects and intolerance. Consequently, the demand to search for alternative treatment has increased rapidly. When comparing levels of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) in ADHD patients with those in age-matching controls, lower levels are found in ADHD patients' blood. ω-3 PUFAs are essential nutrients and necessary for a proper brain function and development. Additionally, there are strong indications that ω-3 PUFA supplements could have beneficial effects on ADHD. However, the results of ω-3 PUFA supplementation studies show a high variability. Therefore, we reviewed recent studies published between 2000 and 2015 to identify effective treatment combinations, the quality of design, and safety and tolerability of ω-3-containing food supplements. We searched the databases MEDLINE, PubMed, and Web of Science with keywords such as "ADHD" and "ω-3/6 PUFA" and identified 25 studies that met the inclusion and exclusion criteria.

The results of these ω-3 PUFA studies are contradictory but, overall, show evidence for a successful treatment of ADHD symptoms. Tolerability of the given supplements was high, and only mild side effects were reported.

In conclusion, there is evidence that a ω-3 PUFA treatment has a positive effect on ADHD. It should be added that treatment could be more effective in patients with mild forms of ADHD. Moreover, the dosage of stimulant medication could be reduced when used in combination with ω-3 PUFA supplements. Further studies are necessary to investigate underlying mechanisms that can lead to a reduction of ADHD symptoms due to ω-3 PUFA treatments and also to determine the optimal concentrations of ω-3 PUFAs, whether used as single treatment or in combination with other medication.

PMID: 27555775 PMCID: PMC4968854 DOI: 10.2147/NDT.S68652
 Download the PDF from VitaminDWiki


ADHD children had 21 ng of vitamin D (control = 35 ng) – Jan 2014

Vitamin D Status in Children with Attention Deficit Hyperactivity Disorder
Pediatr Int. 2014 Jan 13. doi: 10.1111/ped.12286.
Goksugur SB, Tufan AE, Semiz M, Gunes C, Bekdas M, Tosun M, Demircioglu F.
Department of Pediatrics, Medical Faculty, Abant Izzet Baysal University, Bolu, Turkey.

BACKGROUND: Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common psychiatric disorders of the childhood is an early onset, affecting 2-18 % of the children worldwide. Etiopathogenesis of ADHD is obscure. In recent studies, low levels of vitamin D are found in association with many disorders as well as in neuropsychiatric diseases. In this study, we aimed to investigate serum vitamin D levels in pediatric ADHD patients.

METHODS: A total of 60 ADHD patients and 30 healthy controls were included in the study. Ages of the both groups were in 7 and 18 years old range. Serum levels of 25-OH-Vitamin D, calcium (Ca), phosphorus (P) and alkaline phosphatase (ALP) were investigated.

RESULTS: Serum levels of 25-OH-vitamin D were found to be significantly lower in children and adolescents with ADHD compared to healthy controls and no significant differences were found between the groups in terms of other variables. 25-OH-vitamin D level in ADHD group and control group was respectively; 20.9±19.4 ng/mL and 34.9±15.4 ng/mL (p=0.001).

CONCLUSION: Our results suggest that there is an association between lower 25-OH-vitamin D concentrations and ADHD in childhood and adolescence. Up to our knowledge this is the first study that investigate the relationship between vitamin D and ADHD in children.

PMID: 24417979 patients/caregivers can buy a copy of the study from the publisher for just $3.50


ADHD 2 times more likely if poor Omega-6 to Omega-3 ratio – meta-analysis May 2016

in VitaminDWiki


See also VitaminDWiki


Less sun ==> more ADHD (March 2013)

Geographic Variation in the Prevalence of Attention-Deficit/Hyperactivity Disorder: The Sunny Perspective
Biological Psychiatry, doi:10.1016/j.biopsych.2013.02.010
Martijn Arns email address; Kristiaan B. van der Heijden, L. Eugene Arnold. J. Leon Kenemans
Received 6 December 2012; received in revised form 19 February 2013; accepted 19 February 2013. published online 25 March 2013.

Background: Attention-deficit/hyperactivity disorder (ADHD) is the most common psychiatric disorder of childhood, with average worldwide prevalence of 5.3%, varying by region.

Methods: We assessed the relationship between the prevalence of ADHD and solar intensity (SI) (kilowatt hours/square meters/day) on the basis of multinational and cross-state studies. Prevalence data for the U.S. were based on self-report of professional diagnoses; prevalence data for the other countries were based on diagnostic assessment. The SI data were obtained from national institutes.

Results: In three datasets (across 49 U.S. states for 2003 and 2007, and across 9 non-U.S. countries) a relationship between SI and the prevalence of ADHD was found, explaining 34%–57% of the variance in ADHD prevalence, with high SI having an apparent preventative effect. Controlling for low birth weight, infant mortality, average income (socioeconomic status), latitude, and other relevant factors did not change these findings. Furthermore, these findings were specific to ADHD, not found for the prevalence of autism spectrum disorders or major depressive disorder.

Conclusions: In this study we found a lower prevalence of ADHD in areas with high SI for both U.S. and non-U.S. data. This association has not been reported before in the literature.
The preventative effect of high SI might be related to an improvement of circadian clock disturbances, which have recently been associated with ADHD. These findings likely apply to a substantial subgroup of ADHD patients and have major implications in our understanding of the etiology and possibly prevention of ADHD by medical professionals, schools, parents, and manufacturers of mobile devices.


ADHD children have low vitamin D levels (19 vs 29 ng) 2015

The Relationship between Serum Vitamin D Level and Attention Deficit Hyperactivity Disorder.
Iran J Child Neurol. 2015 Fall;9(4):48-53.
Sharif MR1, Madani M2, Tabatabaei F3, Tabatabaee Z4.

OBJECTIVE:
Attention deficit hyperactivity disorder (ADHD) is one of the most prevalent mental health disorders. In recent years, the impacts of various micronutrients on ADHD have been studied. However, vitamin D has received much less attention. This study was aimed at evaluating the association and level of serum vitamin D in children with ADHD.
MATERIALS & METHODS:
This case-control study was carried out, in 2012, on 6 to 12 yr-old children. Thirty-seven were children with ADHD in the cases group and another 37 healthy children were in the control group. Venous blood sample was drawn from each child to measure the serum level of vitamin D. Other variables were compared as well.
RESULTS:
The mean serum vitamin D level of children with ADHD (19.11±10.10 ng/ml) was significantly lower than that of the control group (28.67±13.76 ng/ml) (P<0.001).
CONCLUSION:
Deficiency of vitamin D has been proved in various psychiatric diseases.
This study evidenced a significantly low level of serum vitamin D in children with ADHD.
This suggests the need for regularly monitoring of serum vitamin D levels and treatment of patients with vitamin D deficiencies.

PMID: 26664441
Intervention with vitamin D alleviated signs of ADHD - mentioned in PDF
In an interventional study on 80 patients with ADHD above the age of 16 in New Zealand, reported 27% prevalence rate of vitamin D deficiency.
Using vitamin D supplement for eight weeks was found to be effective in alleviating the signs of the disease

 Download the PDF from VitaminDWiki


ADHD children taking methylphenidate or amphetamine for more than 6 months have bone loss - April 2016

The study recommends taking Calcium and Vitamin D to minimize bone loss
VitaminDWiki recommend taking Vitamin D in the first place and avoliding ADHD


For every 10 ng more vitamin D during pregnancy 11% less likely for child to have ADHD symptoms - July 2015

Vitamin D in Pregnancy and Attention Deficit Hyperactivity Disorder-like Symptoms in Childhood.
Epidemiology. 2015 Jul;26(4):458-65. doi: 10.1097/EDE.0000000000000292.
Morales E1, Julvez J, Torrent M, Ballester F, Rodríguez-Bernal CL, Andiarena A, Vegas O, Castilla AM, Rodriguez-Dehli C, Tardón A, Sunyer J.

BACKGROUND:Vitamin D status during prenatal brain development may influence risk of attention deficit and hyperactivity disorder (ADHD) symptoms in childhood. However, there are no prospective studies addressing this hypothesis. We aimed to examine whether maternal vitamin D status in pregnancy is associated with risk of ADHD-like symptoms in offspring.

METHODS: We conducted a prospective study analyzing data from 1,650 mother-child pairs from five birth cohorts embedded in the INMA Project (Spain, 1997-2008). Maternal vitamin D status in pregnancy was estimated by measuring plasma concentration of 25-hydroxyvitamin D3 [25(OH)D3] at 13 weeks of gestation. Children were assessed by teachers for ADHD-like symptoms at ages 4-5 years using the Diagnostic and Statistical Manual of Mental Disorders ADHD form list.

RESULTS: After adjustment, the number of total ADHD-like symptoms in children decreased by 11% per 10 ng/ml increment of maternal 25(OH)D3 concentration (incidence rate ratio [IRR] = 0.89; 95% confidence interval [CI] = 0.80, 0.98). Similarly, the number of symptoms in the ADHD subscales decreased in relation to higher maternal 25(OH)D3 concentration (IRR per 10 ng/ml increment = 0.89; 95% CI = 0.79, 0.99 for the inattention scale; and IRR = 0.88; 95% CI = 0.78, 0.99 for the hyperactivity-impulsivity scale). Using diagnostic criteria, we found an association of increasing maternal 25(OH)D3 with a lower risk of ADHD DSM-IV (relative risk ratio per 10 ng/ml increment = 0.87; 95% CI = 0.72, 1.06) and ICD-10 hyperkinetic disorder (relative risk ratio = 0.72; 95% CI = 0.49, 1.04) in children.

CONCLUSION: Higher maternal circulating levels of 25(OH)D3 in pregnancy are associated with lower risk of developing ADHD-like symptoms in childhood.

Publisher wants $40 for the PDF


11% decrease in ADHD for each 4 ng increase in cord Vitamin D level - 2016

Inverse associations between cord vitamin D and attention deficit hyperactivity disorder symptoms: A child cohort study
Aust N Z J Psychiatry September 30, 2016 0004867416670013
Mats H Mossin1, Jens B Aaby1, Christine Dalgård2, Sine Lykkedegn1,3, Henrik T Christesen1,3; Niels Bilenberg1,4⇑
1Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
2Research Unit of Environmental Medicine, Department of Public Health, University of Southern Denmark, Odense, Denmark
3Hans Christian Andersen Children’s Hospital, Odense, Denmark
4Department of Child and Adolescent Mental Health Odense, Mental Health Services in the Region of Southern Denmark, University of Southern Denmark, Odense, Denmark
Niels Bilenberg, Department of Child and Adolescent Mental Health Odense, Mental Health Services in the Region of Southern Denmark, University of Southern Denmark, Sdr. Boulevard 29, 5000 Odense C, Denmark. Email: niels.bilenberg at rsyd.dk
Abstract

Objective: To examine the association between cord 25-hydroxyvitamin D2+3 (25(OH)D) and attention deficit hyperactivity disorder symptoms in toddlers, using Child Behaviour Checklist for ages 1.5–5.

Method: In a population-based birth cohort, a Child Behaviour Checklist for ages 1.5–5 questionnaire was returned from parents of 1233 infants with mean age 2.7 (standard deviation 0.6) years. Adjusted associations between cord 25(OH)D and Child Behaviour Checklist–based attention deficit hyperactivity disorder problems were analysed by multiple regression.

Results The median cord 25(OH)D was 44.1 (range: 1.5–127.1) nmol/L. Mean attention deficit hyperactivity disorder problem score was 2.7 (standard deviation 2.1). In adjusted analyses, cord 25(OH)D levels >25 nmol/L and >30 nmol/L were associated with lower attention deficit hyperactivity disorder scores compared to levels ⩽25 nmol/L (p = 0.035) and ⩽30 nmol/L (p = 0.043), respectively. The adjusted odds of scoring above the 90th percentile on the Child Behaviour Checklist–based attention deficit hyperactivity disorder problem scale decreased by 11% per 10 nmol/L increase in cord 25(OH)D.

Conclusion: An inverse association between cord 25(OH)D and attention deficit hyperactivity disorder symptoms in toddlers was found, suggesting a protective effect of prenatal vitamin D.

Fewer indications of ADHD in children whose mothers took vitamin D during pregnancy Oct 2016 - report on the study


See web

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ADHD prescriptions in US

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ADHD prescription by young adults up 220% in a decade

88% in 4 years by those in age range 26-34 NY Times March 2014

Ritalin in UK

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ADHD Chart of possible reasons (vitamin D not mentioned)

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Magnesium and mental illness chart

Magnesium and Mental Health  see  is.gd/VDMag
Which is in Overview Magnesium and vitamin D

ADHD helped by combination of Omega-3 and Zinc - 2016

 Download the PDF from VitaminDWiki

Half of ADHD children treated by Omega-3 RCT 2009

Omega-3/Omega-6 Fatty Acids for Attention Deficit Hyperactivity Disorder, A Randomized Placebo-Controlled Trial in Children and Adolescents
Journal of Attention Disorders March 2009 vol. 12 no. 5 394-401

Objective: The aim of the study was to assess omega 3/6 fatty acids (eye q) in attention deficit hyperactivity disorder (ADHD). Method: The study included a randomized, 3-month, omega 3/6 placebo-controlled, one-way crossover trial with 75 children and adolescents (8—18 years), followed by 3 months with omega 3/6 for all. Investigator-rated ADHD Rating Scale—IV and Clinical Global Impression (CGI) scale were outcome measures. Results: A majority did not respond to omega 3/6 treatment.
However, a subgroup of 26% responded with more than 25% reduction of ADHD symptoms and a drop of CGI scores to the near-normal range.
After 6 months, 47% of all showed such improvement. Responders tended to have ADHD inattentive subtype and comorbid neurodevelopmental disorders.
Conclusion: A subgroup of children and adolescents with ADHD, characterized by inattention and associated neurodevelopmental disorders, treated with omega 3/6 fatty acids for 6 months responded with meaningful reduction of ADHD symptoms. (J. of Att. Dis. 2009; 12(5) 394-401)

Publisher still wants $36 for the PDF


ADHD 21 ng, normals 33 ng - June 2014

Vitamin D status in children with attention-deficit-hyperactivity disorder.
Pediatr Int. 2014 Aug;56(4):515-9. doi: 10.1111/ped.12286. Epub 2014 Jun 17.
Goksugur SB1, Tufan AE, Semiz M, Gunes C, Bekdas M, Tosun M, Demircioglu F.
1Department of Pediatrics, Medical Faculty, Abant Izzet Baysal University, Bolu, Turkey.

BACKGROUND:
Attention-deficit-hyperactivity disorder (ADHD), one of the most common psychiatric disorders of childhood, has an early onset, affecting 2-18% of children worldwide. The etiopathogenesis of ADHD is obscure. In recent studies, a low level of vitamin D has been found in association with many disorders as well as in neuropsychiatric diseases. The aim of this study was therefore to investigate serum vitamin D level in pediatric ADHD patients.
METHODS:
A total of 60 ADHD patients and 30 healthy controls were included in the study. The age of both groups was in the 7-18-year-old range. Serum 25-OH-vitamin D, calcium, phosphorus and alkaline phosphatase were investigated.
RESULTS:
Serum 25-OH-vitamin D was found to be significantly lower in children and adolescents with ADHD compared to healthy controls, and no significant differences were found between the groups in terms of other variables. 25-OH-vitamin D level in the ADHD group and control group was, respectively, 20.9 ± 19.4 ng/mL and 34.9 ± 15.4 ng/mL (P = 0.001).
CONCLUSION:
There is an association between lower 25-OH-vitamin D concentration and ADHD in childhood and adolescence. To the authors' knowledge this is the first study to investigate the relationship between vitamin D and ADHD in children.

© 2014 Japan Pediatric Society. PMID: 24417979 DOI: 10.1111/ped.12286


AHDH decreased 11% for every 4 ng higher level of vitamin D in cord at birth - 2016

Inverse associations between cord vitamin D and attention deficit hyperactivity disorder symptoms: A child cohort study.
Aust N Z J Psychiatry. 2016 Sep 30. pii: 0004867416670013. [Epub ahead of print]
Mossin MH1, Aaby JB1, Dalgård C2, Lykkedegn S3, Christesen HT3, Bilenberg N4.

OBJECTIVE: To examine the association between cord 25-hydroxyvitamin D2+3 (25(OH)D) and attention deficit hyperactivity disorder symptoms in toddlers, using Child Behaviour Checklist for ages 1.5-5.

METHOD: In a population-based birth cohort, a Child Behaviour Checklist for ages 1.5-5 questionnaire was returned from parents of 1233 infants with mean age 2.7 (standard deviation 0.6) years. Adjusted associations between cord 25(OH)D and Child Behaviour Checklist-based attention deficit hyperactivity disorder problems were analysed by multiple regression.

RESULTS: The median cord 25(OH)D was 44.1 (range: 1.5-127.1) nmol/L. Mean attention deficit hyperactivity disorder problem score was 2.7 (standard deviation 2.1). In adjusted analyses, cord 25(OH)D levels >25 nmol/L and >30 nmol/L were associated with lower attention deficit hyperactivity disorder scores compared to levels ⩽25 nmol/L (p = 0.035) and ⩽30 nmol/L (p = 0.043), respectively. The adjusted odds of scoring above the 90th percentile on the Child Behaviour Checklist-based attention deficit hyperactivity disorder problem scale decreased by 11% per 10 nmol/L increase in cord 25(OH)D.

CONCLUSION: An inverse association between cord 25(OH)D and attention deficit hyperactivity disorder symptoms in toddlers was found, suggesting a protective effect of prenatal vitamin D.

PMID: 27694636 DOI: 10.1177/0004867416670013

Attached files

ID Name Comment Uploaded Size Downloads
7901 ADHD T1.jpg admin 09 Apr, 2017 15:24 78.15 Kb 854
7900 Omega-3 ADHD.pdf PDF 2016 admin 09 Apr, 2017 15:19 439.54 Kb 65
6528 ADHD Zinc Omega-3.pdf PDF 2016 admin 06 Apr, 2016 13:05 671.83 Kb 482
6524 ADHD 2015.pdf admin 05 Apr, 2016 00:40 200.88 Kb 461
4824 Predict ADHD.pdf PDF 2013 admin 06 Jan, 2015 16:39 188.52 Kb 1133
3393 ADHD adults.jpg admin 14 Dec, 2013 21:38 29.89 Kb 15703
3350 ADHD Spectracell.png admin 05 Dec, 2013 12:34 236.10 Kb 45942
3349 Ritalin in UK.jpg admin 05 Dec, 2013 12:30 30.98 Kb 16443
3348 ADHD prescriptions.jpg admin 05 Dec, 2013 12:30 78.82 Kb 23610
405 ADD_Study.pdf ADDitude Mag admin 14 Jan, 2011 12:15 268.02 Kb 2583
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