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March 12, 2021
You've heard all sorts of misinformation about Attention-Deficit/Hyperactivity Disorder(ADHD), whether from friends, the internet, or uninformed press articles:
"ADHD is not real."
"Pharmaceutical companies invented ADHD to make money."
"I'm just a little ADD."
"Natural solutions are the best for ADHD treatment."
ADHD symptoms were first described in the late 1700s, primarily among hyperactive boys. It was described variously over 200 years as "fidgeting," "defects of moral control," "hyperkinetic reaction," "minimal brain damage" and eventually ADD (Attention Deficit Disorder) in the 1980s and ADHD today.
Because the natural tendency toward hyperactivity decreased with age, ADHD was originally thought to be a developmental disorder that disappeared in mid-to-late adolescence. When medicines were developed and used in ADHD treatment for young boys, physicians stopped prescribing them around mid-adolescence, because it was presumed the condition had been remediated. They were wrong. We know now that ADHD persists into adulthood for about two-thirds of ADHD youth.
ADHD was not widely recognized in girls until the mid-1990s when it became clear that girls with ADHD were less disruptive than boys with ADHD and were not being appropriately diagnosed. Girls with ADHD show less of the physical hyperactivity of boys, but suffer from "dreaminess," "lack of focus" and "lack of follow-through."
It was also in the 1990s that ADHD' pervasive comorbidity with depression, anxiety, mood, and autism spectrum disorders was established. At the same time, researchers were beginning to describe deficits in executive functioning and emotional dysregulation that became targets of substantial research in the 21st century.
Even with the 1990s recognition that ADHD is a lifetime disorder, equally present (in different forms) in both men and women, medical schools and continuing medical education courses (required for realizing sure of health professionals) have only begun to teach the most up-to-date evidence-based knowledge to the medical community. There still is much misinformation and a lack of knowledge among primary care professionals and the public.
ADHD Throughout the Lifespan
Most cases of ADHD start in Otero before the child is born. As a fetus, the future ADHD person carries versions of genes that increase the risk for the disorder. At the same time, they are exposed to toxic environments. These genetic and environmental risks change the developing brain, setting the foundation for the future emergence of ADHD.
In preschool, early signs of ADHD are seen in emotional lability, hyperactivity, disinhibited behavior and speech, and language and coordination problems. The full-blown ADHD syndrome typically occurs in early childhood, but can be delayed until adolescence. In some cases, the future ADHD person is temporarily protected from the emergence of ADHD due to factors such as high intelligence or especially supportive family and/or school environments. But, as the challenges of life increase, this social, emotional, and intellectual scaffolding is no longer sufficient to control the emergence of disabling ADHD symptoms.
Throughout childhood and adolescence, the emergence and persistence of the disorder are regulated by additional environmental risk factors such as family chaos, as well as the age-dependent expression of risk genes that exert different effects at different stages of development. During adolescence, most cases of ADHD persist and by the teenage years, many youths with ADHD have onset with a mood, anxiety, or substance use disorder. Indeed, parents and clinicians need to monitor ADHD youth for early signs of these disorders. Prompt treatment can prevent years of distress and disability.
By adulthood, the number of comorbid conditions increases, including obesity, which likely impacts future medical outcomes. Emerging data shows people with ADHD to be at increased risk for hypertension and diabetes. ADHD adults tend to be very inattentive but show fewer symptoms of hyperactivity and impulsivity. They remain at risk for substance abuse, low self-esteem, injuries due to accidents, occupational failure, and social disability, especially if they are not treated for the disorder.
Seven Important Concepts About ADHD
There are approximately 10 million U.S. adults with ADHD, 9 million of whom are undiagnosed. But with diligent research by the medical profession, we have learned seven important concepts about ADHD:
1. ADHD has been documented worldwide in 5% of the population.
2. Sixty-seven percent of ADHD children grow into ADHD adults and seniors. ADHD is heritable, runs in families, and is impacted by the physical environment and familial lifestyle.
3. In youth, rates of ADHD are higher in males than females as males, but these rates even out by adulthood.
4. ADHD coexists and is often masked by several other disorders: anxiety, depression, spectrum bipolar and autism disorder, substance abuse, alcoholism, obesity, risky behaviors, disorganized lives, working memory deficits, and significant executive dysfunctions that affect personal, social, and work success.
5. ADHD medications(stimulants and non-stimulants) are the most effective treatments for ADHD symptoms. Psychological support/training designed for ADHD, and lifestyle modifications, are important adjuncts to medicine.
6. ADHD costs the U.S. economy more than $100 million annually in lost productivity, accidents, hospitalizations with comorbidities, and family and professional support for ADHD patients.
7. ADHD is diagnosable and safely treatable in trained primary care practices.
How do you know if you or someone you love has ADHD? Evaluate your life against the seven concepts above. Then get screened and diagnosed by a health care professional. The diagnosis of ADHD should be done only by a licensed clinician who has been trained in ADHD. That clinician should have one goal in mind: to plan a safe and effective course of evidence-based treatment.
When diagnosing adults, it is also useful to collect information from a significant other, which can be a parent for young adults or a spouse for older adults. But when such individuals are not available, diagnosing ADHD based on the patient's self-report is valid. Just remember that personal, work, and family lives are improved with treatment. Research and technology related to ADHD improve all the time.
ADHD in Adults is a great resource for anyone interested in learning more about ADHD, with evidence-based information and education for both healthcare professionals and the public. The website also features a new ADHD screener for predicting the presence of ADHD in adults.
Stephen V. Faraone, Ph.D., is a Distinguished Professor of Psychiatry and Neuroscience & Physiology at SUNY Update Medical University and a global expert on Adult ADHD.
Vitamins play important roles in metabolism, immune regulation, and neurodevelopment. Recent studies show that deficiencies in vitamins like D, B6, B12, and folate are common in people with ADHD and ASD (autism spectrum disorder), and are associated with behavioral, cognitive, and brain development issues.
The Study:
A study team based in China has just performed a systematic search of the peer-reviewed medical literature to perform meta-analyses of clinical trials exploring vitamin interventions in the treatment of ADHD and ASD.
ADHD trials included participants with an official diagnosis. The primary intervention was vitamin supplements, while other treatments, including medications, remained unchanged or were excluded during the study period. ADHD outcomes included measurable changes in ADHD symptoms using validated rating scales and executive function measures.
Eligible studies included standard or sham control groups, crossover, parallel, or other clinical trial designs. In crossover studies, only first-phase data were analyzed to prevent carryover effects.
Ten trials with 852 participants met the standards, but meta-analysis showed no significant results. The outcomes varied widely, suggesting a need to distinguish among vitamins.
Results:
Of the five trials involving 347 participants that specifically evaluated vitamin D supplementation, results indicated a large effect size improvement in ADHD symptoms and executive function measures. The other five studies did not show any observable improvement.
Key limitations include:
The team concluded, “This meta-analysis supports the use of vitamin supplementation as a promising adjunctive treatment for ASD and ADHD. Vitamin B showed greater benefits in improving symptoms of ASD, while vitamin D was more effective in managing ADHD-related behaviors. These findings suggest that specific vitamins may target disorder-specific symptoms. Despite limitations such as the lack of trials on other vitamins and limited understanding of underlying mechanisms, vitamin therapy remains a low-cost, accessible option.”
An important limitation of this work is that the positive results for vitamin D were due to two studies from Iran. So far, no positive study has emerged from a non-Iranian study.
Interpretation:
The vitamin D findings are intriguing and could be important if replicated outside of Iran. Since supplementation is already widely recommended to those with limited sunlight exposure, clinicians may want to consider monitoring their patients’ vitamin D intake, especially in the winter months. It should be noted, however, that due to the limitations of this study, the results are by no means conclusive, and vitamin D should not be taken as a stand-alone treatment for ADHD.
Claims-based real-world data can reveal population-level trends in health among people with neurodevelopmental disorders. This new study examined the prevalence, demographics, and chronic comorbidities of adults and of children and adolescents with ADHD in a large national health plan. It also compared healthcare use and costs between those with and without ADHD.
A research team in the United States conducted an observational cohort study using claims data from more than 1.9 million adults and nearly 500,000 children and adolescents, comparing individuals diagnosed with ADHD to those without the diagnosis.
ADHD was diagnosed in 4% of adults and in 5% of children and adolescents.
Comorbidities By The Numbers:
Disruptive childhood disorders are behavioral problems marked by ongoing defiance, uncooperativeness, and aggression that affect a child's daily life and relationships. The main types, oppositional defiant disorder (ODD) and conduct disorder (CD), involve persistent anger and argumentativeness in ODD, and more severe actions like aggression, cruelty, and criminal behavior in CD. Without treatment, these common childhood disorders can continue into adulthood and raise the risks of substance use, violence, incarceration, and early death.
Disruptive childhood disorders were twenty times more frequent among children and adolescents with ADHD than among those without ADHD diagnosis, and fifteen times more frequent among adults with ADHD.
Bipolar disorder was twelve times more common among children and adolescents with ADHD than those without ADHD, and seven times more common among adults with ADHD.
Schizophrenia was eleven times more prevalent among children and adolescents with ADHD than those without ADHD, and three-and-a-half times more common among adults with ADHD.
Anxiety was nine times more frequent among children and adolescents with ADHD than among those without ADHD diagnosis, and more than five times more frequent among adults with ADHD.
Depression was eight times more common among children and adolescents with ADHD than those without ADHD, and more than five times more common among adults with ADHD.
Suicidal ideation was eight times more prevalent, and suicide attempt seven times more prevalent, among children and adolescents with ADHD than those without ADHD. Both suicidal ideation and suicide attempt were five times more common among adults with ADHD.
Gender dysphoria was almost six times more frequent among children and adolescents with ADHD than among those without ADHD diagnosis, and five times more frequent among adults with ADHD.
Eating disorders were over four times more common among children and adolescents with ADHD than those without ADHD, and five times more common among adults with ADHD.
Substance-related disorders were over six times more prevalent, and alcohol use disorder was six times more prevalent among children and adolescents with ADHD than those without ADHD, and four and three times more prevalent among adults with ADHD.
Increased Costs of Medical Care:
These comorbidities and ADHD led to higher medical costs. Children and adolescents with ADHD spent $610 more annually on healthcare than those without, while adults with ADHD had $1,684 higher average yearly expenditures than non-ADHD adults.
The Take-Away:
This large claims-based analysis of a national commercial insurer found ADHD diagnoses in roughly 4% of adults and 5% of children. It documented substantially higher rates of co-occurring behavioral-health conditions and markedly greater healthcare utilization and expenditures among those with ADHD. The authors report increased odds for several co-occurring diagnoses, as well as higher per-member-per-month (PMPM) spending and per-thousand-per-month (PTPM) utilization, largely driven by greater use of behavioral health services.
Importantly, these results come from cross-sectional, claims data within a commercially insured population: they describe associations, not causal relationships, and may not generalize to uninsured, publicly insured, or otherwise different populations. These findings, therefore, warrant cautious interpretation and highlight the need for longitudinal and more representative studies to clarify drivers of the increased burden and to inform care and policy.
Background:
Since the first in vitro fertilization (IVF) in 1978, assisted reproductive technology (ART) has led to over 10 million births worldwide.
There are four types of embryo transfers, depending on whether they are fresh or frozen, and on their developmental stage.
Fresh cleavage stage embryos are transferred on day 2 or 3 following fertilization and typically contain four to eight relatively large, undifferentiated cells. Fresh blastocyst embryos are transferred on day 5 or 6 after fertilization. At this point, they have developed over a hundred cells and have differentiated into two types: the inner cell mass, which develops into the fetus, and the outer cell layer, which forms the placenta.
Globally, more children are now born through assisted reproductive technology using frozen-thawed embryo transfer than fresh embryo transfer.
Research suggests that ART-conceived offspring may face increased risks of cardiovascular, musculoskeletal, chromosomal, urogenital diseases, and cancers. Might they also be at increased risk for ADHD?
Study:
Taiwan’s single-payer health insurance covers over 99% of people and records all their healthcare activity. Since 1998, it has kept an ART database for all couples registered for IVF treatment.
A Taiwanese research team reviewed all records for the five-year period from 2013 through 2017, ultimately analyzing 3,125 live singleton births from fresh cleavage stages, 1,332 from fresh blastocysts, 1,465 from frozen cleavage stages, and 4,708 from frozen blastocysts, alongside 878,643 naturally conceived singleton births.
The team controlled for the following potential confounders: pregnancy-induced hypertension, chronic hypertension, diabetes mellitus, gestational diabetes mellitus, unhealthy lifestyle, placenta previa, placenta abruption, preterm premature rupture of membrane, and postpartum hemorrhage.
Results:
With these adjustments, cleavage stage embryo transfers, whether fresh or frozen, were associated with a seven-fold higher rate of ADHD diagnosis in offspring than natural conception.
Frozen blastocyst embryo transfers were likewise linked to a seven-fold increase in ADHD diagnoses in offspring compared to natural conception. Notably, fresh blastocyst transfers showed a 19-fold increase, likely due to the smaller number of cases in this category.
The team concluded, “Compared to natural conception, ART is associated with higher risks, particularly for preterm birth, ADHD, and developmental delay.”
Conclusion:
This large national cohort suggests that ART-conceived singletons face higher rates of several adverse outcomes, including preterm birth, ADHD, and developmental delay. Clinicians and prospective parents should therefore weigh these potential associations when counseling and planning care, prioritize optimized ART protocols and perinatal management, and ensure early developmental surveillance for ART-conceived children so concerns can be identified and addressed promptly.
It is important to note that the findings also point to the likely contribution of underlying parental infertility in these developmental outcomes. Future research should aim to disentangle parental- versus procedure-related risks to clarify absolute risk magnitudes. As always, associations of this time should not be interpreted as causal due to the inability of observational studies to rule out all possible confounding factors.
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