Adults with ADHD are at a higher risk of liver disease, sleep disorder, and COPD

A study from Europe suggests that adults with ADHD are more likely to develop a number of physical conditions like fatty liver disease and epilepsy.
Shenaz Treasury
ADHD can lead to a plethora of other diseases. Image courtesy: Shutterstock
ANI Updated: 30 Oct 2023, 03:02 pm IST
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Adults with ADHD are at an increased risk of a wide range of physical conditions, including nervous system, respiratory, musculoskeletal, and metabolic diseases, according to a large register-based study from Karolinska Institutet in Sweden.

The findings of the study were published in the journal The Lancet Psychiatry.

“Identifying co-occurring physical diseases may have important implications for treating adults with ADHD and for benefiting the long-term health and quality of life of patients,” said lead author Ebba Du Rietz, and postdoctoral researcher at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet.

What is ADHD?

ADHD or attention-deficit hyperactivity disorder is a common neuropsychiatric disorder characterised by inattention, impulsiveness and hyperactivity, and commonly treated with stimulant therapy (methylphenidates or amphetamines).

ADHD in women,
Though more prevalent in men than in women, ADHD can leave a long-lasting impact on both sexes’ mental health. Image courtesy: Shutterstock

Previous studies suggest increased risk for a number of physical health conditions in adults with ADHD, but only a limited number of these associations have been thoroughly researched. Moreover, detailed treatment guidelines for adults with ADHD and co-occurring physical disease are largely lacking.

Now, researchers at Karolinska Institutet have examined possible associations between ADHD and a wide range of physical diseases in adulthood, and whether genetic or environmental factors are involved.

Over four million individuals (full-sibling and maternal half-sibling pairs) born between 1932-1995 were identified through Swedish registers and followed between 1973-2013.

Here is how the study on ADHD was conducted 

Clinical diagnoses were obtained from the Swedish National Patient Register. The researchers examined the risk of 35 different physical conditions in individuals with ADHD compared to those without, and in siblings of individuals with ADHD compared to siblings of those without.

Individuals with ADHD had a statistically significant increased risk of all studied physical conditions except arthritis. The strongest associations were found for the nervous system, respiratory, musculoskeletal, and metabolic diseases.

The diagnoses most strongly associated with ADHD were alcohol-related liver disease, sleep disorders, chronic obstructive pulmonary disease (COPD), epilepsy, fatty liver disease and obesity. ADHD was also linked to a slightly increased risk of cardiovascular disease, Parkinson’s disease and dementia.

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Seeking help is the only solution to fix ADHD. Image courtesy: Shutterstock

“These results are important because stimulant therapy requires careful monitoring in ADHD patients with co-occurring cardiac disease, hypertension and liver failure,” said senior author Henrik Larsson, professor at Orebro University and affiliated researcher at Karolinska Institutet.

The increased risk was largely explained by underlying genetic factors that contributed both to ADHD and the physical disease, with the exception of nervous system disorders and age-related diseases. Full siblings of individuals with ADHD had significantly increased risk for most physical conditions.

The researchers now aim to study the underlying mechanisms and risk factors as well as the impact of ADHD on the management and prognosis of physical diseases in adults.

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