January 28, 2022
The American Academy of Pediatrics (AAP) recommends exclusive breastfeeding for the first six months of infancy and continuation of breastfeeding for at least a year thereafter. Yet less than a third of U.S. mothers are still breastfeeding their infants at 12 months.
Previous studies have suggested that breastfeeding is associated with a lower risk of ADHD. But sample sizes have been small, and have not sufficiently explored confounding factors.
Using the Centers for Disease Control and Prevention's 2011-2012 National Survey of Children's Health, a research team analyzed data from a representative U.S. sample of 12,793 three- to five-year-old children.
The team excluded children with autism, developmental delays, speech problems, Tourette syndrome, epilepsy or seizure disorder, hearing problems, non-correctable vision problems, bone/joint/muscle problems, brain injury/concussion, or any current behavioral/conduct problems other than ADHD.
The team also adjusted for potential confounders. Some were demographic: sex, age, race, household income, the number of adults older than 18 years of age living in the home, and the number of children younger than the age of 18 years living in the home. Other variables related to health care access and delivery: insurance type, consistency of health insurance in the past 12 months, and a composite variable reflecting having a primary care provider, getting needed referrals, and effective care coordination. Exposure to secondhand smoke and preterm births were other key variables.
In the fully adjusted results, children who had been breastfed for at least six months were 62% less likely to be diagnosed with ADHD than those who had not (p = .0483). Moreover, each month of breastfeeding duration was associated with a significant additional 8% reduction in the odds of an ADHD diagnosis (95% confidence interval from 1% to 14%).
The authors concluded, "Preschool children who were never breastfed as infants were much more likely to have a medical diagnosis of ADHD than were children who were exclusively breastfed. Moreover, there seems to be a continuum of neuroprotective benefits associated with breastfeeding duration. Although these analyses cannot establish a causal relationship, our findings add to a growing body of literature-including several longitudinal studies and a meta-analysis-that suggests breastfeeding may reduce the likelihood of a child having later problems with inattention and/or hyperactivity. Although follow-up studies are needed to further examine the relationship between infant feeding and ADHD, these findings provide evidence to support the neurodevelopmental benefits of breastfeeding."
Derek Soled, Sarah A. Keim, Eli Rapoport, Lisa Rosen, and Andrew Adesman, "Breastfeeding Is Associated with a Reduced Risk of attention-Deficit/Hyperactivity Disorder Among Preschool Children," Journalof Developmental & Behavioral Pediatrics(2021), Vol. 42, Issue 1, 9-15,https://doi.org/10.1097/DBP.0000000000000854.
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A recent study from Istanbul sheds light on how psychiatric admissions and diagnoses changed during the first few months of the pandemic compared to previous periods, offering critical insights for parents, clinicians, and policymakers.
This study, conducted by a team of researchers led by Ozalp Ekinci, examined psychiatric admissions among children and adolescents during 2019 and 2020.
By looking at diagnosis rates for various psychiatric conditions, the researchers aimed to pinpoint shifts in the mental health landscape as a direct response to the pandemic.
The analysis revealed several notable trends in psychiatric diagnoses among children and adolescents:
This study’s findings highlight some key takeaways that can guide mental health support efforts for children and adolescents:
As we continue to see the effects of the COVID-19 pandemic on mental health, studies like this one serve as important reminders of the unique mental health needs of young people. Supporting children and adolescents through proactive and targeted mental health services—especially during times of crisis—will be crucial to fostering resilience and well-being in future generations.
Adult ADHD has long been a subject of debate in the field of mental health, with previous estimates of its prevalence varying widely. To achieve a more precise understanding, an international team of researchers conducted a new umbrella review and meta-analysis, offering an updated estimate of adult ADHD rates worldwide.
This large-scale analysis combined five systematic reviews and meta-analyses, incorporating data from 57 unique primary studies. Altogether, the research synthesized findings from a pooled total of over 21 million participants. This comprehensive approach provided a more accurate estimate of the global prevalence of ADHD in adults.
The study concluded that the worldwide prevalence of adult ADHD is 3.1%, with a 95% confidence interval ranging from 2.6% to 3.6%. This estimate falls within the range of earlier reports but provides a more targeted understanding of the rate at which ADHD affects adults globally.
The researchers described this prevalence rate as “relatively high.” They noted that it is only slightly lower than the estimated prevalence of major mental health conditions like schizophrenia (4%) and major depressive disorder (5%)—disorders that have historically received significant attention and resources worldwide.
Moreover, the prevalence of adult ADHD is higher than that of several other well-known mental health conditions, including bipolar disorder (1%), as well as anxiety disorders such as PTSD (Post-Traumatic Stress Disorder), OCD (Obsessive-Compulsive Disorder), GAD (Generalized Anxiety Disorder), and panic disorders.
This updated estimate emphasizes that ADHD is a significant global mental health concern in adults, comparable to or exceeding the prevalence of other disorders that are often more widely recognized. These findings underscore the need for greater awareness, research, and treatment options for adult ADHD, which is still frequently misunderstood or overlooked in the broader discourse of mental health.
By providing a clearer picture of how prevalent ADHD is in adult populations around the world, this study contributes valuable data that could shape future research, policy, and clinical approaches.
Attention-Deficit/Hyperactivity Disorder (ADHD) remains a prevalent condition among children and adolescents in the United States. A recent analysis based on the National Health Interview Survey (NHIS), conducted by the National Center for Health Statistics at the CDC, provides an updated look at ADHD prevalence from 2018 to 2021. Here’s a closer look at what the data reveals.
The NHIS is an annual survey primarily conducted through face-to-face interviews in respondents’ homes. Telephone interviews are used as a substitute in cases where travel is impractical. For each family interviewed, one child aged 3-17 is randomly selected for the survey through a computer program. Over the four years studied (2018-2021), a total of 26,422 households with children or adolescents participated.
The analysis found that 9.5% of children and adolescents in the United States had been diagnosed with ADHD, based on reports from family members. However, the prevalence varied significantly with age:
The increase in ADHD diagnosis with age underscores the importance of monitoring children’s developmental needs as they progress through school and adolescence.
The survey revealed a notable difference in ADHD prevalence between genders, with 12.4% of males diagnosed compared to 6.6% of females—nearly a two-to-one gap. This aligns with previous research indicating that ADHD is more frequently diagnosed in boys than girls, though awareness of how ADHD presents differently across genders is growing.
Family income played a significant role in ADHD prevalence, particularly among lower-income groups:
This pattern suggests that socioeconomic factors might influence the diagnosis and management of ADHD, with lower-income families possibly experiencing greater barriers to early diagnosis or consistent treatment.
Geographic location also impacted ADHD rates. Prevalence was highest in the South (11.3%), followed by the Midwest (10%), the Northeast (9.1%), and significantly lower in the West (6.9%). These variations could reflect regional differences in healthcare access, diagnostic practices, or cultural attitudes towards ADHD.
Despite these variations in demographics, the overall prevalence of ADHD remained relatively stable across the study period from 2018 to 2021, showing no significant changes by year.
The findings from this updated analysis provide a clearer picture of ADHD’s prevalence across different demographic groups in the United States. They highlight the need for tailored approaches to diagnosis and care, taking into account factors like age, gender, income, and geographic location. With ADHD being a common condition affecting nearly 1 in 10 children, ongoing research and support for families are crucial to ensure that those with ADHD receive the care and resources they need.
This study reinforces the importance of awareness and early intervention, especially for families in underserved regions or those facing economic challenges. As clinicians and educators continue to support children with ADHD, understanding these demographic trends can help in creating more equitable access to diagnosis and treatment.
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