The ADHD and OCD Overlap Nobody Talks About

Clinical Disclaimer: This article is for informational purposes only and does not constitute clinical advice. If you are experiencing distress, please consult a qualified mental health professional or your GP.

Quick Summary

• ADHD and OCD co-occur in approximately 10% to 30% of cases, yet this overlap remains one of the most frequently missed patterns in clinical assessment.
• The conditions can mask each other completely — OCD mimicking ADHD inattention, or ADHD compensatory behaviours appearing as compulsions.
• When both conditions genuinely co-exist, standard treatment for either condition alone often fails, with OCD treatment success dropping from 44.6% to just 16.1% when ADHD goes unaddressed.
• The key diagnostic distinction: ADHD involves impulsivity seeking pleasure or stimulation, whilst OCD involves compulsions performed to reduce anxiety or prevent feared outcomes.
• Combined treatment strategies targeting both impulsivity and compulsivity simultaneously offer the most effective path forward.

What You Won’t Find Elsewhere

Most clinical resources treat ADHD and OCD as separate diagnostic considerations. What this article provides that you genuinely won’t find in standard treatment guides: specific diagnostic markers I use to distinguish between true comorbidity and diagnostic mimicry, a clinical framework for understanding why stimulant medication can worsen OCD symptoms, and practical guidance for adapting exposure therapy when attention difficulties interfere with treatment engagement.

During my work as a BABCP-accredited CBT therapist, I have repeatedly encountered a pattern that surprises both clients and their previous clinicians: someone diagnosed with ADHD whose stimulant medication makes their anxiety worse, or someone receiving OCD treatment whose progress stalls completely until their underlying attention difficulties are addressed.

This diagnostic confusion isn’t academic — it has real treatment implications. Research suggests that ADHD and OCD co-occur in approximately 10% to 30% of cases, yet this overlap remains one of the most frequently missed patterns in clinical practice. The two conditions can look remarkably similar from the outside, leading to misdiagnosis, or they can genuinely co-exist, complicating treatment in ways that most standard approaches simply don’t address.

The confusion makes clinical sense. Both conditions involve repetitive behaviours, executive dysfunction, and difficulties with concentration. Both can present as perfectionism, rigidity, or an inability to complete tasks. But underneath these similar presentations lie fundamentally different mechanisms — and treating the wrong mechanism can actually make things worse.

Why ADHD and OCD Get Mistaken for Each Other

This diagnostic confusion reflects genuine assessment gaps in clinical practice. ADHD remains systematically underdiagnosed in adults, particularly when anxiety and repetitive behaviours dominate the clinical presentation. The result is a diagnostic bias that favours OCD whilst attention difficulties go unexamined — or, conversely, ADHD compensatory strategies that get mistaken for obsessive-compulsive behaviours.

When OCD symptoms mask ADHD

ADHD assessment in clinical settings is patchy at best, particularly for adults. Someone hospitalised for severe OCD might receive a thorough evaluation for mood and anxiety disorders, whilst attention difficulties remain completely unexplored. This creates a diagnostic blind spot where OCD becomes the primary focus simply because it presents more obviously.

Clinician expectations compound the problem. Myths about ADHD — that it involves obvious hyperactivity or poor academic performance — create systematic bias against recognising the condition in women and adults. When someone presents with anxiety and repetitive behaviours, the diagnostic lens shifts automatically towards OCD.

Here’s the counterintuitive bit: distractibility can actually feel protective when you’re struggling with obsessive thoughts. If your attention naturally drifts away from distressing obsessions, that scattered focus might register as relief rather than impairment. You’re less likely to report attention problems if they seem to be helping you manage intrusive thoughts.

The confusion deepens because ADHD and OCD can present with overlapping features. Sensory sensitivity and defensiveness — hallmarks of ADHD — get interpreted as perfectionist tendencies associated with OCD. Hyperfocusing gets confused with over-focusing, though these represent fundamentally different neurobiological processes.

When ADHD behaviours look like OCD

People with ADHD develop elaborate compensatory strategies that can look remarkably like compulsions. You might check your keys repeatedly because you genuinely don’t trust your working memory. You might spend hours arranging your workspace in precise ways because the alternative feels like overwhelming chaos. From the outside, this appears identical to OCD.

The reverse diagnostic error stems from misconceptions about what OCD actually looks like. Many clinicians still believe OCD relates primarily to hygiene and cleanliness, which creates an impoverished clinical picture that misses other presentations entirely. When someone spends hours arranging objects or repeatedly checking items, the assumption often defaults to OCD without considering whether these behaviours serve a compensatory function for executive difficulties.

Clinical shame patterns contribute to misdiagnosis. People with OCD often feel deeply embarrassed about their ‘irrational’ symptoms and are less likely to discuss them openly in clinical settings. Meanwhile, ADHD-driven difficulties — delays, incomplete tasks, disorganisation — get labelled as lack of follow-through or cognitive fatigue rather than anxiety-driven avoidance. Perfectionist needs can be mislabelled as sensory defensiveness, executive dysfunction, or simple stubbornness.

The attention problem that isn’t what it seems

Consider this clinical scenario: a child sits in class, completely preoccupied by intrusive thoughts about whether she touched a contaminated surface. Unable to attend to the lesson because her mind is consumed by obsessional content, her grades begin dropping. The teacher reports inattention and fidgeting. Without a thorough assessment, a clinician might prescribe stimulant medication for presumed ADHD when the actual problem is OCD, consuming cognitive resources.

This misdiagnosis can have immediate consequences. Stimulant therapy may exacerbate obsessive-compulsive thoughts or even trigger them in vulnerable individuals. The mechanism makes neurobiological sense: stimulants increase frontostriatal brain activity, which helps ADHD by boosting activity in underactive regions. In OCD, however — a disorder characterised by increased activity in these same brain circuits — stimulant medication activates an already hyperactive system, potentially worsening symptoms immediately.

Research demonstrates that children and adolescents with OCD experience meaningful improvements in attention problems following successful OCD treatment. Inattention decreases when obsessive-compulsive symptoms are effectively targeted, regardless of whether treatment involves psychological therapy alone or combined approaches. This pattern strongly suggests that attention difficulties in many young people with OCD represent downstream consequences of obsessional thinking rather than true comorbid ADHD.

The clinical implication is significant: obsessive anxiety can produce inattention and executive dysfunction that mimics ADHD, leading to inappropriate diagnoses in people whose primary difficulty is OCD. A student who appears inattentive and restless during class may actually have undiagnosed OCD, since mental preoccupation with intrusive thoughts creates observable inattention, whilst physical restlessness from suppressed compulsive urges appears as hyperactivity. Teachers and parents naturally interpret these presentations as ADHD, which explains why many people with OCD receive incorrect diagnoses before their obsessive-compulsive symptoms are properly identified.

Can You Have ADHD and OCD at the Same Time?

The comorbidity rates nobody mentions

Yes, you can have both conditions simultaneously, though the exact prevalence depends on which population researchers study. Most investigations examine ADHD rates in people with OCD rather than the reverse, with diagnosis rates typically falling around 30%. Studies report prevalence rates ranging from 0% to 59%, reflecting significant inconsistency in research methods and diagnostic criteria.

In children and adolescents, approximately 21% of those with OCD also meet criteria for ADHD. Adult rates drop considerably to around 8.5%, though some studies report higher figures of 16.1% to 22.9%. One investigation found that 44% of OCD patients had ADHD since childhood, and of those, 68.2% still had adult ADHD.

This age-related decline raises questions about whether ADHD symptoms genuinely disappear or whether something else explains the pattern. Research suggests that preadolescent children with OCD experience slower brain development, during which their brain activity and symptoms may fit the description of ADHD. Through adolescence, this arrested development begins to abate as ADHD-like symptoms dissipate and brain activity changes to match adult OCD patterns.

Some researchers argue that true dual diagnosis in adults is rather rare and usually associated with a mediating condition, notably chronic tic disorder or Tourette’s syndrome. Family history studies demonstrate an association between the conditions: compared to someone without ADHD, a person with ADHD is more likely to have a family member with OCD.

Why having both makes everything worse

When ADHD and OCD genuinely co-occur, the clinical picture becomes significantly more complex. Patients with both disorders demonstrate earlier OCD onset, higher frequencies of hoarding symptoms, elevated levels of depression and anxiety, lower quality of life, increased impulsivity, and higher rates of substance or behavioural addiction and major depression.

The treatment implications are stark. After six months of standardised OCD treatment, patients with comorbid ADHD showed a mean improvement rate of 16.1% on the Yale-Brown Obsessive Compulsive Scale, whilst those without ADHD improved by 44.6%. This substantial difference suggests that underlying ADHD pathology may function as a facilitator for increased severity and treatment-refractory conditions in OCD patients.

The two disorders feed off each other in unexpected ways. Someone working on impulsive spending might successfully manage the impulsivity, only to develop more rigid, compulsive patterns of thinking. Each condition enhances the other’s symptoms, creating a clinical presentation that is genuinely more challenging than either condition alone.

What the research tells us about brain circuits

Both conditions involve the frontostriatal brain regions, yet they produce opposite patterns of activity. OCD shows increased activity in frontal and striatal regions, whilst ADHD demonstrates decreased activity in these same areas.

Genetically, the conditions diverge as well. Dopaminergic genes are implicated in ADHD, whereas OCD links to serotonergic genes. Both disorders are heritable, which partly explains the family clustering observed in studies.

This opposing brain activity pattern raises a fundamental question: can one person exhibit opposite neural function patterns simultaneously? The answer appears to be yes, provided that different neural circuits or timing mechanisms are involved, though the exact mechanisms remain under investigation.

The Difference Between OCD and ADHD That Changes Everything

This is one of the most clinically important — and most frequently muddled — distinctions I encounter. Understanding what drives behaviour matters more than simply cataloguing symptoms, because the underlying mechanism determines what treatment will actually work.

Impulsivity versus compulsivity: opposite drivers

The distinction between these two mechanisms explains why OCD and ADHD can look similar yet function entirely differently. Impulsivity involves poorly planned, premature responses aimed at achieving gratification. These are actions taken without considering negative consequences, driven by the desire to obtain pleasure, arousal, or satisfaction. In contrast, compulsivity refers to repetitive behaviours performed according to certain rules or in a stereotypical fashion, driven by an attempt to alleviate anxiety or discomfort.

People with OCD overestimate threats from the outside world and engage in rituals to neutralise perceived danger. The compulsions themselves are not pleasurable activities but neutral or often irritating behaviours performed to reduce anxiety. Someone might wash their hands repeatedly, not because it feels good, but because they cannot tolerate the anxiety of not doing it.

People with ADHD, on the other hand, underestimate the harm associated with their behaviours. Impulsive actions carry an element of pleasure, at least initially. The thrill or arousal experienced outweighs negative consequences in the moment, with regret arriving afterwards.

How intrusive thoughts work differently

The thought patterns differ fundamentally in quality and emotional tone. In OCD, intrusive thoughts are unwanted, always distressing, and persistent. These thoughts come with fear, guilt, or compulsive urges attached to them. The content typically involves themes of contamination, harm, moral transgression, or doubt about having completed tasks properly.

People with ADHD describe their thoughts as rapid, scattered, or overwhelming. Thoughts arise unexpectedly, making concentration difficult, but they lack the same level of fear or anxiety seen in OCD. To put it plainly: ADHD presents as “brain won’t slow down” whilst OCD manifests as “brain won’t let go of a specific intrusive thought”.

ADHD does not cause intrusive thoughts in the same way OCD does. The distractibility in ADHD may actually feel like relief when it pulls attention away from distressing content, whereas in OCD, the person struggles to disengage from the unwanted thought.

Repetitive behaviours: anxiety-driven or stimulation-seeking

Both conditions produce repetitive behaviours, yet the motivation differs entirely. In ADHD, compulsive behaviours tend to be impulsivity-driven, including compulsive spending, eating, or phone use. The behaviour happens because the person seeks stimulation or acts on an urge without pausing to consider consequences. Relief or pleasure occurs in the moment.

In OCD, compulsions are anxiety-driven, performed to reduce distress or prevent a feared outcome. The compulsion itself is often unpleasant. Skin-picking offers a clear example: in OCD, it arises as a response to anxiety, serving as a compulsion to reduce that anxiety; in ADHD, it relates to difficulty with self-regulation, impulsivity, or sensory-seeking behaviour.

Executive dysfunction from two directions

Both conditions independently impair executive function, yet they attack from opposite angles. OCD appears to involve increased frontal lobe activity, whilst ADHD demonstrates decreased frontal lobe activity. In ADHD, the inability to control behaviour creates difficulties with initiating and completing tasks. In OCD, excessive control and perfectionistic tendencies develop because tasks must be performed according to specific rules until reaching a “just right” state.

Here’s what often gets overlooked: executive dysfunction in OCD stems from executive overload rather than executive deficit. Obsessive thoughts create an overflow that taxes the executive system. The more intrusive thoughts experienced in a given moment, the fewer resources remain available for other tasks. Someone with OCD might appear distractible, but they’re actually hyper-focused on internal obsessional content.

The clinical implications are significant. If you’re treating executive dysfunction as an attention problem when it’s actually an anxiety problem — or vice versa — the intervention will miss the mark entirely.

Why Treating Only One Condition Leaves You Stuck

This is where things get clinically messy — and why understanding the distinction between these conditions matters so much for treatment outcomes. Standard treatment protocols are designed for single diagnoses, but when ADHD and OCD coexist, following a single-disorder approach often creates more problems than it solves.

When ADHD medication worsens OCD symptoms

Here’s the counter-intuitive bit. Stimulant treatment for ADHD can exacerbate OCD symptoms. The mechanism makes perfect sense when you understand what’s happening in the brain, but it catches both clinicians and patients off guard.

Stimulants increase attention and focus — generally a good thing. But for someone with comorbid OCD, this improved concentration can become a liability. Enhanced focus means paying closer attention to obsessive thoughts. That laser-sharp attention that helps with ADHD tasks becomes directed toward the very thoughts you’re trying to dismiss.

The neurobiological explanation is straightforward. Stimulants increase frontostriatal brain activity, which is reduced in ADHD. This corrects the underactivity problem. But in OCD, these same brain regions already show increased activity correlated with symptom severity. Stimulant medication essentially pours fuel on an already overactive system, potentially resulting in immediate symptom exacerbation.

That said, the picture isn’t entirely bleak. Stimulants can help treat OCD in specific circumstances, particularly when symptoms are triggered by inattentiveness and other ADHD-related difficulties. Case evidence and preliminary studies from 2025 found that adding ADHD medication to standard OCD treatment showed promising results, with improvements in both sets of symptoms. Some patients report severe decreases in OCD symptoms under stimulant therapy.

The key is understanding which patients benefit and when stimulants help versus harm.

When OCD treatment ignores attention problems

The flip side creates equally significant problems. Untreated ADHD adversely impacts OCD treatment outcomes — and the effect size is substantial. Research demonstrates this clearly: after six months of standardised OCD treatment, patients with comorbid ADHD showed a mean improvement rate of 16.1% on the Yale-Brown Obsessive Compulsive Scale, whilst those without ADHD improved by 44.6%.

This isn’t a small difference. We’re talking about treatment that essentially fails versus treatment that produces clinically meaningful change.

Untreated ADHD may reduce treatment response to both serotonin reuptake inhibitors and psychotherapy in patients with OCD. The attention difficulties create multiple barriers: engaging in exposure work becomes harder, remembering to practise skills between sessions becomes inconsistent, and maintaining the sustained focus needed for therapy becomes a struggle in itself.

What looks like “resistance to treatment” or “poor motivation” is often untreated ADHD, interfering with someone’s ability to engage with OCD treatment.

The medication balancing act with SSRIs and stimulants

Patients with genuine comorbidity likely need combined pharmacotherapy comprising both SSRIs and stimulants. This isn’t a decision to make lightly, and the sequencing matters enormously. Healthcare providers typically start with the more severe condition and gradually introduce the second medication, adjusting dosages as needed.

When OCD symptoms are controlled with SSRIs, that tends to calm the ADHD presentation as well. Research on combining SSRIs with methylphenidate shows no significant increase in risks of adverse events compared to methylphenidate alone. Careful titration and ongoing review remain necessary nonetheless.

This is a conversation to have with a prescriber who understands both conditions — not all psychiatrists are equally familiar with managing this specific comorbidity.

Adapting therapy for both conditions

Exposure and response prevention remains first-line treatment for OCD, but significant adaptations are needed when ADHD is present. Standard ERP assumes the patient can sustain attention, follow through with homework assignments, and maintain consistent engagement — assumptions that don’t hold when attention difficulties are part of the clinical picture.

Coaching becomes necessary for motivation and accountability. Therapy may need to begin with higher-stress triggers due to the higher stimulus thresholds often seen in ADHD. Distractibility may actually delay anxious feelings during exposure exercises, which therapists must account for in their approach.

Self-directed ERP should be planned with specific dates and times to promote follow-through. Patients can be expected to miss sessions, show up late, or struggle to maintain attention during sessions — behaviours that can easily be misconstrued as resistance to treatment rather than symptoms of untreated ADHD.

Pure ADHD coaching won’t address the anxiety driving OCD symptoms. CBT for OCD without accommodation for attention difficulties often stalls. Treating only one condition frequently leaves people partially improved — better than before, but still struggling with the unaddressed disorder.

The clinical bottom line: when both conditions are present, both need to be addressed for either treatment to work effectively.

Getting the Right Diagnosis When ADHD and OCD Overlap

The diagnostic challenge here is genuine — and it’s one that regularly catches experienced clinicians off guard. When I’m assessing someone with potential ADHD-OCD overlap, I’m looking for specific patterns that standard diagnostic protocols often miss.

What a thorough assessment actually involves

Proper evaluation requires more than symptom checklists. Structured interviews and neuropsychological testing provide the foundation for accurate diagnosis, particularly when distinguishing between conditions with overlapping presentations. Collateral information from parents, teachers, and other caregivers offers invaluable insight into behaviour across different environments.

Two diagnostic markers I rely on help establish accuracy. First, note the presence or absence of clinically significant impulsivity and risk-taking. People with OCD are very rarely impulsive and do not exhibit risk-taking behaviour, especially when OCD is the primary disorder. Second, examine the ability to perform accurate, repetitive rituals governed by specific, complex rules. People with ADHD generally struggle with this, as attention to detail and strict adherence to attention-demanding tasks are characteristic impairments of ADHD.

The key question I ask: what happens when you’re interrupted during a repetitive behaviour? Someone with OCD performing a compulsion will experience significant distress and usually need to restart the entire sequence. Someone with ADHD engaged in a repetitive behaviour can typically stop without the same level of anxiety — they’re seeking stimulation or managing overwhelm, not preventing a feared outcome.

Red flags that suggest both conditions are present

Understanding what motivates behaviour is key to proper diagnosis. ADHD is present across all domains, whilst OCD is generally very specific with regard to obsessive thoughts and compulsive behaviours.

Here’s what I watch for: someone whose ADHD medication fails to work as expected. If a patient prescribed norepinephrine- or dopamine-targeting drugs experiences heightened anxiety, it may perpetuate executive dysfunction. That’s often the first indication that we’re missing an OCD component.

Another red flag: when someone describes both scattered, racing thoughts and persistent, sticky, intrusive thoughts. The quality is entirely different. ADHD thoughts jump around unpredictably; OCD thoughts get trapped in loops around specific themes.

Common diagnostic mistakes to watch for

The assessment errors I encounter most frequently involve confusing what someone is doing with why they’re doing it. Hyperfocusing could be mistaken for over-focusing, which is a very different experience. Sensory sensitivity and defensiveness might be mistaken for perfectionist tendencies.

Shame complicates assessment further. Individuals with OCD often feel embarrassed about their ‘irrational’ symptoms, so they are less likely to discuss them in clinical settings. They might describe being “really organised” or “detail-oriented” rather than acknowledging compulsive behaviours. Delays and incomplete tasks can be mistaken for lack of follow-through rather than anxiety-driven avoidance.

The most dangerous mistake? Assuming that the successful treatment of one condition rules out the other. Someone whose attention improves dramatically on stimulants might still have underlying OCD. Someone whose anxiety decreases with ERP might still struggle with ADHD-related executive dysfunction.

This is why systematic assessment matters. Both conditions deserve accurate diagnosis and appropriate treatment — and getting it wrong has real consequences for long-term outcomes.

Conclusion

The overlap between ADHD and OCD creates diagnostic confusion that genuinely impacts treatment outcomes. These conditions can mask each other completely or coexist in ways that complicate care, and understanding what motivates your behaviours matters more than simply cataloguing symptoms.

This isn’t a theoretical problem. When someone receives stimulant medication for misdiagnosed ADHD, whilst their underlying OCD goes untreated, symptoms can worsen dramatically. When OCD treatment proceeds without addressing genuine attention difficulties, progress stalls at rates that are clinically meaningful — not minor variations in outcome.

If you suspect both conditions might be present, seek a clinician who recognises this overlap exists. Standard approaches typically address one disorder whilst ignoring the other, leaving you partially improved at best. The evidence supports combined treatment strategies, but finding practitioners who understand the intersection requires being specific about what you’re looking for.

What I can tell you is this: proper diagnosis changes everything. The confusion between these conditions isn’t a reflection of clinical incompetence — it reflects genuine complexity in how they present and interact. But that complexity can be untangled with thorough assessment and targeted treatment that addresses both impulsivity and compulsivity simultaneously.

When to Seek Professional Help

If you recognise patterns described in this article — attention difficulties that worsen with anxiety, repetitive behaviours serving different functions at different times, or treatment for one condition that hasn’t addressed the full picture — raise this with your clinician or seek a second opinion.

Look for practitioners who mention experience with both ADHD and OCD, particularly in adult populations. Ask specifically about their approach to comorbid presentations. Standard CBT training covers OCD extensively, but many therapists receive limited training in adult ADHD assessment.

Your GP can refer you for specialist assessment. NICE guidelines support this pathway for both conditions.

BABCP Therapist Finder: Search for CBT therapists with relevant experience at babcp.com.

ADHD Action: UK charity providing information and support at adhdaction.org.uk.

OCD Action: Resources and guidance at ocdaction.org.uk.

If you are in crisis or experiencing thoughts of self-harm, contact the Samaritans on 116 123 (free, 24/7) or attend your nearest A&E.

Key Takeaways

Understanding the ADHD-OCD overlap is crucial for effective treatment, as misdiagnosis can lead to worsened symptoms and poor outcomes.

• ADHD and OCD co-occur in 10-30% of cases, yet this overlap remains frequently missed in clinical practise • Stimulant medications for ADHD can worsen OCD symptoms by increasing already hyperactive brain circuits • Untreated ADHD reduces OCD treatment success rates from 44.6% to just 16.1% improvement • The key diagnostic difference: ADHD involves impulsivity seeking pleasure, whilst OCD involves compulsions reducing anxiety • Combined treatment addressing both conditions simultaneously offers the most effective path forward

When both conditions are present, they amplify each other’s symptoms, creating earlier onset, increased severity, and treatment resistance. Proper assessment must examine what motivates behaviours rather than simply cataloguing symptoms, as understanding the underlying drivers—whether pleasure-seeking or anxiety-reducing—determines the most appropriate treatment approach.

FAQs

Q1. Can ADHD and OCD occur together in the same person? Yes, both conditions can coexist simultaneously. Research indicates that approximately 10-30% of people with one condition also have the other. When both are present, they tend to amplify each other’s symptoms, leading to earlier onset, increased severity, and greater treatment challenges compared to having either condition alone.

Q2. Why might ADHD medication worsen OCD symptoms? Stimulant medications used for ADHD increase activity in frontostriatal brain regions. Whilst this helps ADHD (which shows decreased activity in these areas), it can worsen OCD symptoms because these same brain regions are already overactive in OCD. The increased focus from stimulants may also cause someone to concentrate more intensely on obsessive thoughts, potentially exacerbating the condition.

Q3. How can you tell the difference between ADHD and OCD behaviours? The key distinction lies in what motivates the behaviour. ADHD involves impulsivity driven by seeking pleasure or stimulation, with actions taken without considering consequences. OCD involves compulsions driven by anxiety reduction, where repetitive behaviours are performed to alleviate distress rather than for enjoyment. Understanding this underlying motivation is crucial for accurate diagnosis.

Q4. Does treating OCD improve attention problems? Yes, research shows that children and adolescents with OCD often experience meaningful improvements in attention difficulties following successful OCD treatment. This suggests that inattention in many cases is a downstream consequence of obsessional thinking rather than a separate ADHD diagnosis. When obsessive-compulsive symptoms are effectively managed, attention problems frequently decrease.

Q5. What approach works best when both ADHD and OCD are present? Combined treatment addressing both conditions simultaneously offers the most effective results. This typically involves both SSRIs for OCD and stimulants for ADHD, along with adapted therapy approaches. Exposure and response prevention for OCD may need modifications to account for ADHD-related challenges like distractibility and difficulty with follow-through. Treating only one condition often leaves individuals partially improved.

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