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September 10, 2021
ADHD continues to be a significant and difficult challenge in the collegiate world.
The symptoms of the disorder directly impact a person’s ability to manage the demands of college. Matriculating students are expected to rapidly obtain and deploy many self-management skills. Increased academic expectations demand a greater capacity for sustained attention. And the evolving social milieu can tax the emotion-regulation and social cognition of those with ADHD.
Having seen our patients struggle, the Association for Collegiate Psychiatry decided to submit a workshop for presentation at the 2019 APA meeting in San Francisco. While developing the presentation, we discovered a wealth of recent ‘young adult’ follow-up data from longitudinal studies.
Without exception, the study's findings reflected a significant decrease in functional outcomes across multiple domains of adult life. Further, we discovered that the new work coming from the TRAC observational study of college students has found troublesome rates of psychiatric comorbidity after the first year. This epidemiologic evidence supports devoting resources to the care of this cohort.
However, it appears that this has not penetrated the world of campus mental health treatment. At present, most post-secondary schools (to our knowledge, data is quite limited) lean toward policies that make it difficult for students with ADHD to be diagnosed or treated on campus. One obstacle is requiring evidence of a childhood diagnosis, which many children with high-IQ compensated ADHD may not have received. Another can be the demand for expensive and comprehensive neuropsychological testing even though the diagnostic value of that testing remains unclear.
Some student health centers ask students to obtain prescriptions from the treaters they saw before coming to campus, even if those prescribers are out of state. Though these policies may be deployed to decrease the diversion of stimulant medication, such hurdles may be difficult for the 18-year-old ADHD student to navigate. The result is that many students with this predictably destructive condition go untreated.
The good news is this subject interests the collegiate community. Among other things, our APA workshop was selected to be the APA’s ‘Member’s of the Month’ for January 2020. Much work remains in developing and deploying diagnostic policies and treatment strategies that colleges and universities feel comfortable supporting. We mentioned the APSARD community during the workshop as a resource for professionals interested in ADHD. And we hope the wider ADHD research and treatment communities will join us in focusing our energy on this underserved and sometimes maligned group of students who need our help.
1) Gordon CT, Fabiano GA. The Transition of Youth with ADHD into the Workforce: Review and Future Directions. Clinical child and family psychology review. 2019 Feb 6:1-32.
2) Anastopoulos AD, DuPaul GJ, Weyandt LL, Morrissey-Kane E, Sommer JL, Rhoads LH, Murphy KR, Gormley MJ, Gudmundsdottir BG. Rates and patterns of comorbidity among first-year college students with ADHD. Journal of clinical Child & Adolescent Psychology. 2018 Mar 4;47(2):236-47.
3) Antshel, K. Role of NeuropsychologicalAssessment in ADHD. APSARA blog post Jan2, 2020. Accessed Jan 17, 2020. https://apsard.org/role-of-neuropsychological-assessment-in-adhd-2/
4) https://www.psychiatry.org/psychiatrists/education/apa-learning-center/members-course-of-the-month
Refractive errors, such as myopia (nearsightedness), hyperopia (farsightedness), and astigmatism (distorted vision due to irregular curvature of the eye or lens), are common worldwide. These conditions affect 12%, 5%, and 15% of children, and rise significantly in adults to 26.5%, 31%, and 40%. Additionally, strabismus (misalignment of the eyes) and amblyopia (reduced vision in one eye from uneven image formation, often linked to strabismus) occur globally at rates of 2% and 1.4%, respectively.
Visual impairment can affect children’s concentration in school, and studies suggest a link between eye disorders and ADHD.
To investigate this relationship, two researchers – one based in the US and the other in Israel –carried out a nationwide retrospective cohort study using electronic medical records of all insured individuals aged 5 to 30 who were part of Maccabi Health Services, Israel’s second largest health maintenance organization, between 2010 and 2022.
Of over 1.6 million insured members (2010–2020), inclusion/exclusion criteria and propensity score matching for age and sex were applied, along with a one-year wash-out period between the first eye diagnosis and ADHD diagnosis. In total, 221,707 cases were matched with controls without eye disorders at a 1:2 ratio, resulting in a cohort of 665,121 participants.
Overall, those with any previous eye diagnosis were 40% more likely to have a subsequent ADHD diagnosis. This was slightly higher for females (45%) than for males (35%). It was also slightly higher for children and adolescents (42%) than for adults (37%).
More specifically:
The authors concluded that eye disorders are associated with ADHD. They noted these associations were more marked in females and children and adolescents, although, as noted above, those differences were small. They recommended that primary care providers and neurologists consider risk stratification for early screening, and that ophthalmologists refer high-risk patients for ADHD evaluation.
Acid-suppressive medications, including proton pump inhibitors (PPIs) and histamine-2 (H2) receptor antagonists, are often prescribed during pregnancy to treat heartburn and gastroesophageal reflux disease.
Research shows changes in the gut microbiome can negatively affect neurodevelopment. Since acid-suppressive medications alter gut microbiota, maternal use during pregnancy may impact offspring’s neurodevelopment. Because PPIs and H2 receptor antagonists readily cross the placental barrier, they could potentially influence fetal neurodevelopment.
The link between prenatal exposure to acid-suppressive medications and major neuropsychiatric disorders is not well understood. With the use of these medications during pregnancy rising, it is important to assess their impact on children's long-term neurodevelopment. This study examined whether maternal use of acid-suppressive drugs is associated with increased risk of neuropsychiatric disorders in children, using a large, nationwide birth cohort from South Korea.
South Korea operates a single-payer health insurance system, providing coverage for over 97% of its citizens. The National Health Insurance Service (NHIS) maintains a comprehensive database with sociodemographic details, medical diagnoses, procedures, prescriptions, health examinations, and vital statistics for all insured individuals.
A Korean research team analyzed data from over three million mother-child pairs (2010–2017) to assess the risks of prenatal exposure to acid-suppressing medications. They applied propensity scoring to adjust for maternal age, number of children, medical history, and outpatient visits before pregnancy, to minimize confounding factors. That narrowed the cohort to just over 800,000 pairs, with half in the exposed group.
With these adjustments, prenatal exposure to acid-suppressing medications was associated with 14% greater likelihood of being subsequently diagnosed with ADHD.
Yet, when 151,737 exposed births were compared to the same number of sibling controls, no association was found between prenatal exposure and subsequent ADHD, which suggests unaccounted familial and genetic factors influenced the preceding results.
The Take-Away:
Evidence of these medications negatively affecting pregnancies is mixed, mostly observational, and generally reassuring when these medications are used appropriately. Untreated GERD and gastritis, however, have known risks and associations with the development of various cancers. With no evidence of an association with ADHD (or for that matter any other neuropsychiatric disorder), there is no current evidence-based reason for expectant mothers to discontinue use of acid-suppressing medications.
For years, a persistent concern has shadowed the treatment of Attention-Deficit/Hyperactivity Disorder (ADHD): Does the medication eventually stop working? Patients often report that their symptoms seem to return despite consistent use, leading to "dose escalation" or "medication holidays." A new systematic review from Sam Cortese’s team published in CNS Drugs finally puts these concerns to the test by synthesizing decades of empirical research.
Before diving into the findings, you must understand two often-confused phenomena:
The review analyzed 17 studies covering over 10,000 individuals, and the results provide a much-needed reality check for the clinical community.
The researchers found preliminary evidence that acute tolerance (tachyphylaxis) can occur within a 24-hour window.
The most important finding is that tolerance does not commonly develop to the therapeutic effects of ADHD medication in the long term. In one landmark study following children for up to 10 years, only 2.7% of participants lost their response to methylphenidate without a clear external explanation. Doses, when adjusted for natural body growth, remained remarkably stable over years of treatment.
Consistent with the lack of therapeutic tolerance, the body does not become tolerant to the physical side effects of stimulants. Increases in heart rate and blood pressure typically persist for as long as the medication is taken. This underscores why clinicians must continue monitoring cardiovascular health throughout the entire duration of treatment.
If it’s Not Tolerance, What Is It?
If "tolerance" isn't real, why do some patients feel their medication is failing? The review suggests clinicians look at these alternative explanations:
Why This Matters
These results provide clinicians the confidence to tell patients that their medication is unlikely to "wear out" permanently. Rather than immediately increasing a dose when symptoms flare, the first step should be a "clinical deep dive" into the patient's lifestyle, stress levels, and adherence.
For researchers, the review highlights a major gap: most existing studies are small, dated, or of low quality. There is a dire need for robust, longitudinal studies that track both the brain's response and the patient's environment over several years.
For people with ADHD, while your body might get "used to" the initial "buzz" of a stimulant within hours, its ability to help you focus and manage your life remains remarkably durable over the years.
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