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.

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Northern Finnish Population Study Finds ADHD Slashes Higher Education Attainment, Comorbidity of ADHD + ODD much worse

Background:

Although ADHD typically begins in childhood, its symptoms frequently continue into adulthood, and it is widely acknowledged as having a lifelong prevalence for most persons with ADHD. 

ADHD symptoms are linked to poor academic performance, mainly due to cognitive issues like compromised working memory. These symptoms lead to long-term negative academic outcomes and difficulty in achieving higher educational degrees. 

Oppositional Defiant Disorder (ODD) often co-occurs with ADHD. In community samples, it appears in about 50–60% of those with ADHD. ODD symptoms include an angry or irritable mood, vindictiveness toward others, and argumentative or defiant behavior that lasts more than 6 months and significantly disrupts daily life.  

Since ODD tends to co-occur with ADHD, research on pure ODD groups without ADHD is limited, especially in community samples. This longitudinal study aimed to examine the impact of ADHD and ODD symptoms in adolescence on academic performance at age 16 and educational attainment by age 32. 

Study:

Finland, like other Nordic countries, has a single-payer health insurance system that includes virtually all residents. A Finnish research team used the Northern Finnish Birth Cohort to include all 9,432 children born from July 1, 1985, through June 30, 1986, and followed since then. 

ADHD symptoms were measured at age 16 using the Strengths and Weaknesses of ADHD symptoms and Normal-behaviors (SWAN) scale. 

Symptoms of ODD were screened using a 7-point rating scale similar to the SWAN scale, based on eight DSM-IV-TR criteria: “Control temper”, “Avoid arguing with adults”, “Follow adult requests or rules”, “Avoid deliberately annoying others”, “Assume responsibility for mistakes or misbehaviour”, “Ignore annoyances from others”, “Control anger and resentment”, and “Control spitefulness and vindictiveness.” 

Higher education attainments were determined at age 32. 

Results:

After adjusting for the educational attainments of the parents of the subjects, family type, and psychiatric disorders other than ADHD or ODD, males with ADHD symptoms at age 16 had a quarter, and females a little over a third, of the higher education attainments of peers without ADHD symptoms at age 32.  

With the same adjustments, males with ODD symptoms alone had two-thirds, and females 80%, of the higher education attainments of peers without ODD, but neither outcome was statistically significant. 

However, all participants with combined ADHD and ODD symptoms at age 16 had roughly one-fifth of the higher education attainments of peers without such symptoms upon reaching age 32. 

Interpretation: 

The team concluded, “The findings that emerged from this large longitudinal birth cohort study showed that the co-occurrence of ODD and ADHD symptoms in adolescence predicted the greatest deficits of all in educational attainment in adulthood.” 

This study highlights the significant, long-lasting impact that co-occurring ADHD and ODD symptoms can have on educational outcomes well into adulthood. It underscores the importance of addressing both disorders together during adolescence to help improve future academic success.

July 1, 2025

U.S. Nationwide Study Finds Down Syndrome Associated with 70% Greater Odds of ADHD

The Background:

Down syndrome (DS) is a genetic disorder resulting from an extra copy of chromosome 21. It is associated with intellectual disability. 

Three to five thousand children are born with Down syndrome each year. They have higher risks for conditions like hypothyroidism, sleep apnea, epilepsy, sensory issues, infections, and autoimmune diseases. Research on ADHD in patients with Down syndrome has been inconclusive. 

The Study:

The National Health Interview Survey (NHIS) is a household survey conducted by the National Center for Health Statistics at the CDC. 

Due to the low prevalence of Down syndrome, a Chinese research team used NHIS records from 1997 to 2018 to analyze data from 214,300 children aged 3 to 17, to obtain a sufficiently large and nationally representative sample to investigate any potential association with ADHD. 

DS and ADHD were identified by asking, “Has a doctor or health professional ever diagnosed your child with Down syndrome, Attention Deficit Hyperactivity Disorder (ADHD), or Attention Deficit Disorder (ADD)?” 

After adjusting for age, sex, and race/ethnicity, plus family highest education level, family income-to-poverty ratio, and geographic region, children and adolescents with Down syndrome had 70% greater odds of also having ADHD than children and adolescents without Down syndrome. There were no significant differences between males and females. 

The Take-Away:

The team concluded, “in a nationwide population-based study of U.S. children, we found that a Down syndrome diagnosis was associated with a higher prevalence of ASD and ADHD. Our findings highlight the necessity of conducting early and routine screenings for ASD and ADHD in children with Down syndrome within clinical settings to improve the effectiveness of interventions.” 

June 27, 2025

Meta-analysis Explores Link Between ADHD and Homelessness Among Children and Adolescents

An estimated 150 million children and adolescents live on the streets worldwide. In the U.S., roughly 1.5 million experience homelessness annually. Homelessness increases the risk of health issues, violence, early pregnancy, substance use, vaccine-preventable diseases, mental disorders, suicidal behavior, and early death. 

Rates of anxiety, major depression, conduct disorders, and post-traumatic stress disorder are higher among school-age homeless children compared to their housed peers.  

However, there has been limited attention to ADHD, leading a French research team to conduct a systematic review and meta-analysis of its prevalence among homeless children and adolescents.  

The inclusion criteria required that participants be homeless, under 19 years of age at baseline, and have ADHD identified through a screening tool, self-report, or clinical assessment. 

Results:

Meta-analysis of 13 studies with a combined total of 2,878 individuals found indications of ADHD in almost one in four homeless children and adolescents. There was no sign of publication bias, but considerable variation in estimates across studies. 

The team found a dose-response effect. Meta-analysis of six studies with 1,334 participants under 12 years old reported 13% with indications of ADHD. Meta-analysis of five studies encompassing 991 individuals, 12 through 18 years old, found an ADHD rate of 43%. The ADHD rate among adolescents was 3.3 times greater than among children

There were no significant differences among countries. 

Moreover, limiting the meta-analysis to the seven studies with 1,538 participants that relied on clinical ADHD diagnoses, the gold standard,  resulted in an ADHD prevalence of 23%

The team concluded, “The review of 13 studies revealed that ADHD is common in homeless children and adolescents, suggesting that homelessness may contribute to the development or exacerbation of ADHD symptoms. Conversely, ADHD with other comorbidities may increase the likelihood of homelessness. Reintegrating these children and adolescents into care systems and ensuring access to public health interventions tailored for homeless families and youth is imperative for breaking the cycle of homelessness and improving long-term trajectories.” 

In other words, this review not only confirmed a strong link between homelessness and ADHD in children and youth, but also suggested a complex, cyclical relationship. Providing tailored health care and support for these vulnerable groups is crucial to interrupt this cycle and help improve their future outcomes.

June 23, 2025