February 19, 2022

Exploring how adult ADHD affects romantic relationships

While romantic relationships can bring contentment and stability to adults with psychological disorders, conflict in such relationships adds incremental risk for developing depressive, anxiety, and substance use disorders. Moreover, persons with ADHD are more prone to such conflict than those without ADHD.

ADHD symptoms are negatively associated with satisfaction in dating relationships. One study found that female college students, blind to ADHD status, were less interested in male students with ADHD-Inattentive presentation than peers without ADHD. Another study found that college students who self-reported significant inattentive and hyperactive-impulsive symptoms also reported lower romantic relationship satisfaction than students not reporting such symptoms. A third study likewise found an inverse association between college student-reported inattentive symptoms and romantic relationship satisfaction, although it found no such association for self-reported hyperactive/impulsive symptoms.

This in turn has behavioral implications. One study found that college students with clinically elevated symptoms of inattention, hyperactivity/impulsivity, or both, reported higher levels of hostile conflict behavior with their partners than students without clinically elevated symptoms. Another study placed young couples through conflict resolutions. Couples in which one partner had ADHD demonstrated more negative and less positive conflict resolution behavior, and reported lower relational satisfaction, than couples in which neither partner had an ADHD diagnosis.

Worse yet, ADHD is a risk factor for dating violence. Two studies found that young adult males diagnosed with ADHD as children self-reported engaging in more frequent verbal and physical intimate partner violence than did their normally developing peers. Two more studies reported that men and women diagnosed with ADHD as children were at greater risk of becoming victims of such violence.

Adults with ADHD are also more likely to engage in risky sexual behavior. On average, they initiate sexual intercourse between one and two years earlier. They tend to have more partners and to make less frequent use of contraception than non-ADHD peers. As a result, adults with ADHD are also more likely to have unplanned pregnancies and to acquire sexually transmitted diseases.

Given these findings, it is hardly surprising that adults with ADHD report lower marital satisfaction than their normally developing peers. One study reported that 24 out of every 25 spouses of adults with ADHD felt their partner's symptoms interfered with their functioning in one or more domains, including general household organization/time management, child-rearing, and communication. Most studies have found that extramarital affairs, separation, and divorce are more frequent among couples in which one partner has ADHD.

ADHD is known to be highly heritable. That introduces further challenges. One study found that parents of children with ADHD are twice as likely to divorce by the time their child is eight years older than parents of children without ADHD. Another study found that disruptive child behavior is linked to parents arguing among themselves. This pattern was especially pronounced with parents who themselves had elevated ADHD symptoms. However, another study found that when both parents had ADHD symptoms, they were less likely to argue than when only one parent had such symptoms, or when neither did.

The authors note that there have been few longitudinal studies of the relationship to the behavior of adults with ADHD and that these are badly needed. This would help to understand how alcohol consumption relates to the development of relationship problems, for example.

Second, they point out that little is known about which subpopulations in the large population of adults with ADHD may be especially at risk for romantic relationship problems. Gender and history of maltreatment do not appear to be significant influences, but there is some evidence that alcohol and drug abuse may be a factor, as well as underachievement in adolescence. Moreover, the literature to date has focused on heterosexual Caucasian couples. There is a need for research with larger, more heterogeneous, population samples, and in particular with racial/ethnic minorities and LGBTQ+ adults.

Third, they suggest a need for further research on mediators between ADHD and romantic relationship problems. There are reasons to suspect a key role for emotion dysregulation and deficits in inhibitory controls. But studies to date have relied on self-reporting, which introduces respondent bias. Future studies should obtain ratings of ADHD and relationship functioning from other informants. There is also a need for studies focusing not just on younger adults, but also on older ones. Another critical need is for clinical trials testing the effectiveness of different interventions aiming to improve romantic relationship functioning.

The authors conclude, "Given that success in romantic relationships is considered by many to be a major developmental task and that ADHD persists for many affected individuals into adulthood, research on romantic adjustment of affected adults is surprisingly limited. The majority of existent published research points, however, to a robust association between ADHD and negative outcomes such as lower satisfaction in relationships, maladaptive conflict resolution styles, higher rates of relational dissolution, and behavioral issues such as unsafe sex and IPV."

Brian T. Wymbs, Will H. Canu, Gina M. Sacchetti, Loren M. Ranson, "Adult ADHD and romantic relationships: What we know and what we can do to help", Journal of Maritaland Family Therapy(2021),https://doi.org/10.1111/jmft.12475.

Related posts

No items found.

A New ADHD Medication That Works Differently in the Brain

The FDA has approved a new once-daily pill called centanafadine (trade name SIMTRIYO®). Approved for adults and kids aged 6 and older (weighing at least 44 lbs / 20 kg), centanafadine is a new category of ADHD treatment that aims to give fast results with fewer of the downsides of traditional stimulants.

What Makes This Drug Different?

To understand why centanafadine is unique among medications for ADHD, it helps to look at how ADHD brain chemistry works:

  1. Norepinephrine: Powers focus, alertness, and attention span.
  1. Dopamine: Drives motivation, reward system, and decision-making.
  1. Serotonin: Regulates mood, anxiety levels, and emotional stability.

Stimulants like Ritalin and Adderall work mainly in the dopamine system.  Nonstimulants like atomoxetine, viloxazine, clonidine and guanfacine work mainly on the norepinephrine system.  Centanafadine is the first drug in a new class called NDSRIs (Norepinephrine, Dopamine, and Serotonin Reuptake Inhibitors). We can describe its effects as follows:

  • Heavy boost to Norepinephrine: Delivers the strong focus and attention boost you need.
  • Moderate, smooth increase to Dopamine: Helps with motivation and brain executive function without triggering massive dopamine spikes that lead to addiction or heavy crashes.
  • Moderate boost to Serotonin: Helps smooth out mood swings and keeps anxiety under control.

What Did Clinical Trials Show?

The FDA approved centanafadine based on studies involving thousands of adults, teens, and children. Here are the key findings:

Centanafadine showed some improvement in ADHD symptoms within the very first week of taking it although a full effect takes about six weeks.

In adult trials, taking 200 mg or 400 mg daily led to significant improvements in real-world skills:

  • Time management and prioritizing tasks
  • Starting projects without procrastinating
  • Planning complex tasks and staying organized
  • Short-term working memory

In trials with children (ages 6–12) and teens (ages 13–17), centanafadine significantly reduced core ADHD symptoms like hyperactivity, impulsivity, and lack of focus compared to a placebo.

About 30% to 40% of adults with ADHD also suffer from anxiety. Traditional stimulants can make anxiety worse. In a trial specifically designed for adults dealing with both ADHD and anxiety, centanafadine effectively treated ADHD symptoms without firing up their anxiety, which might be due to its serotonin boost.

Does Centanafadine have Side Effects?

While Centanafadine was well-tolerated by most people in studies, like any prescription medication, it comes with important safety guidelines.

Prescribing Warnings:

  • Suicidal Thoughts in Children: In trials for kids aged 6 to 12, centanafadine was linked to a higher risk of suicidal thoughts and behaviors compared to a sugar pill.  Although rare, parents and doctors should look for changes in mood or behavior, especially when starting or changing doses.
  • Stimulant Classification: Because it acts on central nervous system pathways, especially dopamine, centanafadine is classified as a CNS stimulant so might lead to addiction. While it has a much lower abuse risk than stimulants like Ritalin or Adderall, doctors should still evaluate patients for any history of substance abuse before prescribing.

Common Side Effects:

  • Kids & Teens: Decreased appetite, stomach ache, nausea, rash, and headache.
  • Adults: Dry mouth, difficulty sleeping (insomnia), decreased appetite, nausea, and headaches.

Other Warnings:

  • Heart & Blood Pressure: It can cause small increases in heart rate and blood pressure, so doctors will check these regularly.
  • Drug Interactions: It cannot be taken with certain antidepressants (MAOIs) due to dangerous blood pressure risks.

The Bottom Line

Overall, centanafadine is a new step forward in how we treat ADHD. Because it acts differently in the brain than traditional treatments, patients who struggle with stimulant-related anxiety or side effects may find it useful to explore with their doctor.

Nitrogen Dioxide Linked to Higher ADHD Risk: Insights from a Massive South Korean Study

A landmark nationwide study from South Korea has uncovered a significant link between prenatal exposure to air pollution — specifically nitrogen dioxide (NO2) — and an increased risk of ADHD in children. 

While researchers have long suspected that air pollutants interfere with fetal brain development through inflammation and oxidative stress, this study is one of the largest and most comprehensive of its kind, following nearly 1.5 million births for up to 13 years. 

Why South Korea? 

South Korea provided a unique countrywide “laboratory” for this research due to two key infrastructure strengths: 

  • Universal Health Data: A national insurance database that tracks the health outcomes of the entire population. 
  • Granular Air Monitoring: A network of 642 monitoring stations that allowed researchers to precisely estimate what pollutants mothers were breathing based on their postal codes. 

Key Findings: The “Smoking Gun” of NO2 

While the study looked at several pollutants, nitrogen dioxide — a byproduct of fossil fuel combustion in cars and power plants — emerged as the primary concern. 

Pollutant 

Association with ADHD Risk 

Nitrogen Dioxide (NO2) 

Strongest Link: Every 1-ppb (part-per-billion) increase in exposure linked to a 22% rise in risk. 

Sulfur Dioxide (SO2) 

Minimal Link: Only a slight 4% increase per ppb. 

Ozone (O3) carbon monoxide (CO), & particulates 

No significant association was found. 

The scale of the NO2 risk is particularly striking. Over the typical range of exposure levels found in the study (an interquartile range of 13 ppb), the data suggest a threefold increase in ADHD risk for children in the highest-exposure groups compared to the lowest. 

Accounting for Other Factors 

To ensure the results weren’t skewed by other variables, the researchers controlled for a wide range of confounders including: 

  • Socioeconomic and employment status. 
  • Maternal age and baseline health. 
  • The child’s sex. 
  • The presence of 14 different medical conditions around childbirth. 

The authors emphasized the strong association between maternal nitrogen dioxide exposure and ADHD, while also noting the small but significant association with sulfur dioxide.  

The Take-Away: A New Frontier for Public Health 

Historically, air quality laws have been designed to protect our lungs and hearts. However, this study adds to a growing body of evidence suggesting that the brain is likewise vulnerable. 

In a commentary on the findings, expert George Ayoub argued that “neurodevelopment should be explicitly considered” when governments perform cost-benefit analyses on air quality regulation.  My view is a bit different.  The association is intriguing but the study does not establish cause and effect.  Many statistically significant environmental risk associations for neurodevelopmental disorders have disappeared after controlling for maternal risk for ADHD.  I hope this research team will do those analyses if feasible.

New Meta-analysis Finds Structured Executive Function Training Largely Ineffective

Executive functions (EFs) are the cognitive control systems that allow people to pursue goals, make decisions, and adapt to changing circumstances. Researchers generally break them into three overlapping capacities: working memory (holding and manipulating information in mind), inhibitory control (suppressing impulses and filtering out distractions), and cognitive flexibility (switching between tasks or mental frameworks). Strong EFs in childhood predict academic achievement, social competence, and long-term mental health; weaknesses in these areas that go unaddressed can persist into adulthood, undermining school performance, career prospects, and well-being. 

The Background:

Interest in training these skills has grown rapidly, but most research has been conducted in Western settings. China presents a distinctive context. Collectivist values make group-based programs culturally natural, and parental investment in academic outcomes is high. Both of these factors should, in theory, work in an intervention’s favor. At the same time, tightly scheduled school days (sessions typically capped at 30 minutes or less) constrain what is actually deliverable. A growing number of randomized controlled trials (RCTs) have tested EF interventions with Chinese children, but until now, no one has pulled that evidence together systematically. 

The Study:

A new network meta-analysis did exactly that. The researchers screened RCTs involving Chinese children aged 3–12, including both typically developing children and those showing subclinical signs of ADHD or autism spectrum disorder (ASD), for instance, siblings of children with an ASD diagnosis. Children who already carried a formal neurodevelopmental diagnosis were excluded. Fifty-two trials covering nearly 3,000 children met the inclusion criteria. Interventions fell into four categories: 

  • Computerized adaptive n-back training with metacognitive coaching (strategy instruction and self-monitoring): 14 trials, 486 children 
  • Stop-signal and rule-switching tasks targeting inhibitory control and cognitive flexibility, delivered face-to-face: 18 trials, 632 children 
  • Hybrid physical-cognitive training moderate-to-vigorous aerobic exercise combined with concurrent cognitive demands (e.g., brisk walking while counting backward) in 20–30-minute sessions: 10 trials, 298 children 
  • Computerized cognitive flexibility training (set-shifting, dual-task coordination), self-paced with progressive difficulty: 10 trials, 312 children 

The headline finding is that three of the four intervention types produced statistically significant improvements across all three EF domains. The exception was the hybrid physical-cognitive program, which did not reach significance for inhibitory control. Positive results across the board might sound encouraging until you look at the actual effect sizes. 

The Results:

The actual effects were negligible. Every significant result fell well below what methodologists define as a “small” effect (a standardized mean difference, or SMD, of 0.2). The largest effect size in the entire analysis was an SMD of 0.097  (less than half that threshold). The authors summarize the interventions’ effects as “modest,” but that is generous phrasing for numbers that, in practical terms, amount to very little. The analysis also showed signs of publication bias, meaning that studies with null or negative results may not have been published, potentially inflating even these modest figures. 

The Take-Away: 

It is important to note that these results don’t necessarily mean that this is the last word on EF training. The results apply specifically to Chinese children working within the time constraints of Chinese school schedules, and they exclude children with diagnosed ADHD, a population for whom cognitive interventions sometimes show larger effects. Generalizing beyond those boundaries is unwarranted. 

What the findings do suggest is that structured EF programs, as currently implemented in Chinese educational settings, are not delivering meaningful real-world benefits. Statistical significance, it is worth remembering, is not the same as practical significance, and the gap between the two is sharp here. 

July 17, 2026