March 10, 2021
To gauge the extent of stigma towards persons with ADHD, a European research team hired a company specialized in market and social research to conduct a poll of some five thousand randomly selected Germans. Just over a thousand completed the interview, representing a response rate of only one in five. The team acknowledged, "Although non-responder bias has to be considered to be important, ethical considerations prohibited the collection of any detailed information on non-respondents." The sample had slightly more women and elderly persons, and a higher average level of educational attainment relative to the German population as a whole. Sampling weights we reused to compensate for these discrepancies.
The poll relied on computer-assisted telephone interviews. Interviews began with prerecorded vignettes of either an a12-year-old child or a 35-year-old adult exhibiting core symptoms of ADHD (such as "careless mistakes in schoolwork," "does not follow through on instructions," easily distracted by extraneous stimuli, "loses things", "leaves his place in the classroom or when sitting at the dining table"). Half of those interviewed were presented with child vignettes and half with adult vignettes. The gender of the person described varied randomly.
On a scale of one to five, respondents were asked to indicate levels of agreement with two statements: 1. "Basically, we are all sometimes like this person. It's just a question of how pronounced this state is." 2. "All in all, the problems of Robert / Anne are abnormal." For both child and adult vignettes, two out of three respondents agreed that "we are all sometimes like this person." One in three respondents considered the problems depicted in the child vignettes as abnormal. That dropped to one in four in the adult vignettes.
Next, respondents were asked whether they ever had a problem like this and whether someone among their family or close friends ever had to deal with such a problem. For both vignettes, one in four acknowledged having had a problem like this, and half said a close friend or family member had such a problem.
On the assumption that "negative emotional reactions are an important consequence of negative stereotypes, leading to separation, discrimination and status loss," respondents were probed for their specific emotional reactions. "I feel annoyed," " react angrily," and" provokes my incomprehension" were interpreted as indicating varying levels of anger. "Provokes fear" and "Makes me feel insecure" were seen as indicating fear. "I feel uncomfortable" was viewed as indicating somewhere between fear and anger. On the other hand, "I feel the need to help," "I feel pity," and "I feel sympathy" were interpreted as "pro-social" responses.
Pro-social reactions were by far the most common. Over two-thirds felt a need to help a child, and over half to help an adult, in such a situation. In both instances, almost half felt sympathy, and a half or more felt pity. On the other hand, a quarter of respondents in each case felt annoyed, and just under one in five felt uncomfortable. Almost one in seven reacted angrily to the child vignette, and almost one in six to the adult vignette. Fear was the least frequent emotional reaction.
In the case of adults, respondents were also asked about their willingness to accept the person described in the vignette in seven social situations:
· Working together
· As a neighbor
· Marrying into the family
· Introducing to a friend
· Renting a room
· Recommending for a job
· Taking care of children
While three out of four respondents were willing to accept such persons as co-workers, only one in three would recommend them for a job. Two out of three would accept such persons as neighbors, and almost as many to marry into the family. Three out of five would very willingly introduce such persons to friends. Slightly over half would rent a room to them. But less than one in three would be willing to have such individuals take care of their children.
Older respondents were more likely to see the problems as "abnormal" and to seek greater social distance. Women, and respondents with higher levels of education, were less likely to see the problems as abnormal and more likely to respond in pro-social ways.
Though showing most Germans to be accepting of persons with ADHD, these findings still indicate a significant degree of stigma, though less than for other psychiatric conditions such as depression, schizophrenia, or alcohol dependence.
Sven Speerforck, Susanne Stolzenburg,Johannes Hertel, Hans J. Grabe, Maria Strauß, Mauro G. Carta, Matthias C.Angermeyer, Georg Schomerus, “ADHD, stigma and continuum beliefs: A population survey on public attitudes towards children and adults with attention deficit hyperactivity disorder,†Psychiatry Research (2019) DOI: https://doi.org/10.1016/j.psychres.2019.112570.
Recent research suggests that inflammation may play a role in ADHD. Inflammation, marked by elevated proteins and cytokines, affects brain development and structure. Evidence suggests it plays a role in the development of ADHD, making the study of inflammatory markers crucial.
The platelet-to-lymphocyte ratio (PLR) is a cost-effective test for predicting outcomes of chronic inflammation and neuroimmune diseases. Studies show PLR may be an important inflammatory marker in the pathophysiology of ADHD in children.
The Study:
A Chinese study team used the National Health and Nutrition Examination Survey (NHANES) database maintained by the National Center for Health Statistics of the United States to investigate the association between PLR and ADHD in children aged 6–14.
The team identified ADHD through prescriptions of ADHD medications.
After exclusions for missing information, the study encompassed 1,455 children.
The authors adjusted for the following potential confounders: sex, age, race, poverty-to-income ratio, maternal age at childbirth, smoking during pregnancy, asthma, health insurance status, dietary inflammatory index, monocyte count, segmented neutrophil count, eosinophil count, and basophil count.
They also split the PLR results into quartiles, with the first quartile having the lowest readings.
Prescriptions of ADHD medications were twice as frequent among children in the second quartile as they were among children in the first quartile. They were four times as frequent among children in the third quartile than among children in the first quartile.
Conclusion:
The team concluded, “These findings further support the potential role of inflammation in the onset and development of ADHD, providing preliminary evidence for PLR as a potential biomarker for ADHD and suggesting its possible use in identifying high-risk populations. However, considering the limitations of this study, future research should be designed as larger-scale, prospective, multi-center randomized controlled trials to validate these findings and further explore the relationship between inflammatory mechanisms and ADHD.”
In other words, this study suggests that while high PLR values may serve as a potential biomarker for ADHD, particularly in specific high-risk groups, further research is needed to confirm these findings and fully understand the role of inflammation in ADHD development. Larger, more robust studies will be crucial to validating PLR as a reliable tool for identifying at-risk populations.
ADHD is the most prevalent neurodevelopmental disorder. Nearly 1% of pregnant women in the Nordic countries and more than 1% in the United States are prescribed ADHD medications, ranking these among the most commonly used medications during pregnancy. However, the safety of exposing a fetus to ADHD medications is still uncertain, prompting many expectant mothers to stop using them out of fear for their unborn child’s well-being.
The Study:
A European research team conducted a comprehensive nationwide study on the safety of ADHD medications during pregnancy using populations from Sweden and Denmark. The Swedish population was studied first, followed by inclusion of a separate study of the Danish population. Results were then combined through meta-analysis. Nordic countries, with their single-payer national health insurance systems and national population registers, facilitate the tracking of residents’ health from birth to death, thus providing robust data for such studies.
The team accounted for various potential confounders, including maternal age, year of delivery, whether the mother was a first-time parent, self-reported smoking during pregnancy, and any psychiatric history. They also considered psychiatric inpatient or outpatient treatment received within two years before pregnancy, as well as the dispensing of other psychotropic medications during pregnancy, including antidepressants, antipsychotics, antiseizure medications, and anti-anxiety medications. Additionally, they examined the highest level of maternal education and civil status at delivery (married or cohabiting compared to single, divorced, or widowed).
Out of 861,650 Swedish children, 2,257 were exposed to ADHD medications during pregnancy. Another 3,917 were born to mothers who discontinued ADHD medications before pregnancy.
Children exposed to ADHD medications had lower rates of ADHD, autism spectrum disorder, and overall neurodevelopmental disorders; however, none of these differences were significant.
Limiting the analysis to siblings to control for family environmental influences and genetics likewise found no significant differences.
A meta-analysis combining the Swedish results with a separately conducted nationwide population study in neighboring Denmark similarly found no significant differences between children exposed to ADHD medications during pregnancy and children born to mothers who discontinued ADHD medications before pregnancy.
Conclusion:
The team concluded, “Overall, our study provides reassuring evidence that continuing ADHD medication during pregnancy does not increase the risk of long-term NDDs [neurodevelopmental disorders] in offspring."
A new large-scale study has shed light on which treatments for attention-deficit/hyperactivity disorder (ADHD) in adults are most effective and best tolerated.
Researchers analyzed 113 randomized controlled trials involving nearly 15,000 adults diagnosed with ADHD. These studies included medications (like stimulants and atomoxetine), psychological therapies (such as cognitive behavioral therapy), and newer approaches like neurostimulation.
The Findings
Stimulant medications (lisdexamfetamine and methylphenidate) as well as selective norepinephrine reuptake inhibitors (SNRI) (atomoxetine) were the only treatments that consistently reduced core ADHD symptoms—both from the perspective of patients and clinicians. It may be worth noting that atomoxetine, while effective, was less well tolerated, with more people dropping out due to side effects.
Psychological therapies such as CBT, mindfulness, and psychoeducation showed some benefits, but mainly according to clinician ratings—not necessarily from the patients themselves. Neurostimulation techniques like transcranial direct current stimulation also showed some improvements, but only in limited contexts and with small sample sizes. Interestingly, none of the treatments—medication or otherwise—made a clear impact on long-term quality of life or emotional regulation.
Conclusion
So, what does this mean for people navigating ADHD in adulthood? Stimulant medications remain the most effective treatment for managing ADHD symptoms day-to-day but nonstimulant medication are not far behind, which is good given the problems we’ve had with stimulant shortages. This study also supports structured psychotherapy as a viable treatment option, especially when used in conjunction with medication.
The study emphasizes the importance of ongoing, long-term research and the need for treatment plans that are tailored to the individual ADHD patient– Managing adult ADHD effectively calls for flexible, patient-centered care.
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