ADHD en Depressie: Hoe zijn deze Verbonden?

ADHD and Depression: How Are They Connected?

Geschreven door: Ebrina van der Bijl

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Gepubliceerd op:

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Leesduur: 7 min

A growing body of research points to the link between ADHD and depression. Between 30 and 50 percent of adults with ADHD experience depressive symptoms at some point in their lives.(1)

And children are as much as twice as likely to develop depression compared to their peers without ADHD.(2)

In this article, we delve deeper into the causes, symptoms, and impact of this combination, and discover what you can do to reduce the risk of depression in ADHD.

ADHD and depression share neurotransmitter problems, hereditary factors and metabolic disturbances, which increases the risk of depressive symptoms in people with ADHD.

Social problems, emotional regulation, negative self-image, and cognitive challenges amplify depressive symptoms in both children and adults with ADHD.

Exercise, sunlight, sleep optimization, a healthy diet, and avoiding alcohol and drugs help reduce ADHD and depression symptoms.

The link between ADHD and depression

The link between ADHD and depression is complex, but crucial to understand. Understanding how they are interrelated will help parents, teachers, and caregivers better address the needs of people with ADHD.

This helps them recognize depressive symptoms early and provide the right support. A good understanding can really make a difference!

1. Neurotransmitters

Neurotransmitters play a key role in ADHD, but also in depression. In both cases, there's often an imbalance of these substances, such as dopamine. Dopamine is crucial for motivation, mood, and the reward system.

When dopamine levels are low, as is often the case with ADHD and depression, you may experience decreased motivation and poorer well-being. This naturally affects your mood.

2. Heredity

Genetics plays a significant role in both ADHD and depression. Studies show that both conditions can have strong hereditary components.

If a parent has ADHD, the child is more likely to develop ADHD as well. The same is true for depression; the risk of depressive symptoms can be increased in children of parents with a depressive disorder.(1)

The only question is whether this is really genetically determined, or because children adopt habits (lifestyle and eating habits) from their parents.

3. Metabolic problems

Harvard professor Chris Palmer wrote the book Brain Energy , in which he explains that all mental illnesses can be traced back to metabolic problems in the brain.

He explains that this is also the reason why so many mental health conditions overlap and why people with mental health problems often have multiple conditions such as diabetes and obesity.

What are the causes of depression in ADHD?

In addition to these neurological differences and the hereditary factor, there are a number of other causes that can make depression a risk in people with ADHD.

These are the main reasons why you are more likely to feel depressed if you have ADHD:

1. Negative Thoughts

People with ADHD often have low self-esteem. This can stem from their symptoms, such as inattention and hyperactivity. When they experience these challenges, negative thoughts can take over, leading to feelings of depression. The feeling of inadequacy can weigh heavily.

2. Social Problems

Another important aspect is the social challenge. Children with ADHD have difficulty making and maintaining friendships. This can lead to feelings of isolation and sadness. Studies show that 38% of ADHD children also show symptoms of depression , especially in social situations. This emphasizes how vulnerable these young people are.(1)

3. Overwhelming Emotions

People with ADHD often experience intense emotions and struggle to regulate them. These emotions can be overwhelming and lead to feelings of depression, especially if they don't know how to handle them. Someone with ADHD struggles to distract themselves or distance themselves from their emotions. All of this can contribute to the development of depression.

4. Cognitive Problems

Adults with ADHD often experience memory problems, low self-esteem, and difficulty solving problems. Nearly 50% of adults with ADHD experience these cognitive problems. (3)

These challenges make it harder to complete tasks, plan effectively, or assess social situations. This often leads to negative experiences, such as setbacks at work or school, and difficult relationships. These frustrations and feelings of failure can lead to low self-esteem and ultimately cause depression.

5. Relationship problems

People with ADHD often experience challenges in relationships. About 60% of people with ADHD report problems in their social interactions.(3)

This can be due to communication problems, difficulty reading social cues, and a feeling of not fitting within "normal" parameters. These relationship problems can exacerbate feelings of loneliness and frustration, which in turn contributes to low self-esteem.

When relationships are consistently difficult or fail, it can lead to deeper emotional pain. These negative experiences accumulate, which can exacerbate feelings of depression. Maintaining healthy relationships becomes increasingly difficult, increasing the risk of depression.

ADHD and Depression: A Vicious Cycle

ADHD symptoms, such as difficulty with work and study, relationship problems, and low self-esteem, often reinforce feelings of failure. This creates a vicious cycle of ADHD and depression: the problems caused by ADHD lead to frustration and stress, which ultimately increases the risk of depression.

In short: The more severe the ADHD symptoms, the more severe the depressive symptoms often are, because stressful situations are often avoided rather than dealt with. This pattern further reinforces the depressive feelings, perpetuating the cycle.

Symptoms of depression and ADHD

If you have both depression and ADHD, the symptoms can overlap significantly. This makes it difficult to make a clear diagnosis. Both can cause difficulty concentrating at work or school, and sleep problems are also common in both.

However, there are a few striking depression symptoms that you don't see so quickly with ADHD alone:

  1. You no longer have interest in hobbies or things you normally enjoy.
  2. You feel worthless and hopeless.
  3. You have recurring thoughts of death or suicide.
  4. You experience prolonged sadness and emptiness.

Although there's a lot of overlap, you can certainly suffer from both ADHD and depression. Therefore, it's important to seek help from a doctor for proper guidance.

Depression in children with ADHD vs. adults

Both children and adults with ADHD can experience depression, but the impact and causes vary considerably. This presents opportunities for support and treatment.

Children and adolescents

Children with ADHD have an increased risk of developing depressive symptoms, especially if they experience problems at school or in social situations.

I mentioned it before: Research shows that children with ADHD are twice as likely to be depressed compared to their peers without ADHD. Young people, in particular, often feel different from their friends, which increases the risk of depression. For example, 38% of children with ADHD show depressive symptoms, especially when they feel socially excluded.(1)

Adults

As an adult, you've had ADHD since childhood. While some people experience less of the symptoms later in life, others continue to struggle. Adults with ADHD are more likely to experience depressive episodes, especially if they haven't received any or sufficient support.

Interestingly, the risk of depression decreases as ADHD symptoms diminish. Learning to manage ADHD symptoms early helps protect your mental health later in life.

Lifestyle tips for depression and ADHD

By being proactive about ADHD, we can not only better manage its symptoms but also potentially reduce the risk of depression in the future.

These lifestyle changes can help:

1. Exercise more

Regular physical activity is an effective way to alleviate ADHD symptoms and depression. It improves self-confidence, attention, and social skills. Look for a well-supervised sport, especially if social interaction is difficult. Individual sports can be a good option for those who struggle with social interactions.

2. More exposure to sunlight

20 to 30 minutes of sunlight daily helps produce vitamin D3, which is crucial for your mental health. Sunlight also increases the production of serotonin and dopamine, neurotransmitters that influence mood and motivation. Adequate daylight exposure promotes a healthy sleep pattern, which can reduce symptoms of both ADHD and depression.

3. Learn to sleep better

A good night's sleep is essential for reducing ADHD and depression symptoms. Evaluate your sleep routine by creating a calming atmosphere before bed and maintaining a regular sleep schedule. This helps your body adjust, resulting in better sleep and improved mental well-being.

4. No alcohol or drugs

Avoid alcohol and drugs if you have ADHD or depression, as these substances can worsen symptoms. Many people use them to try to feel better, but they often negatively impact your mental health. Combining ADHD medication with these substances is risky and can cause serious side effects.

5. Eat unprocessed foods

 Diet influences both ADHD and depression symptoms. Avoid processed products full of unhealthy additives and choose whole foods like fresh vegetables, fruit, nuts, seeds, and oily fish. These foods provide important nutrients essential for good mental health and a balanced body.

The ADHD Action Plan

Want to address your ADHD symptoms naturally? Then our ADHD Step-by-Step Plan: Lifestyle is exactly what you need! This e-book offers practical tools to reduce your symptoms through diet and lifestyle.

The information is based on more than a thousand scientific studies and is suitable for anyone with ADHD, young or old, and regardless of whether you use medication.

Curious? Order the e-book and take the first step toward a better lifestyle today!

Ebrina van der Bijl - Natural Performance

Ebrina van der Bijl

Ebrina is a nutritionist with a deep commitment to healthy eating and a sustainable lifestyle, based in beautiful Portugal. Her passion for natural and organic products is at the heart of her work. With a background in Nutrition & Dietetics and experience in product development and writing, she translates complex scientific information into practical advice for a balanced lifestyle.
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Sources used

  1. Riglin, L., Leppert, B., Dardani, C., Thapar, A. K., Rice, F., O'Donovan, M. C., Smith, G. D., Stergiakouli, E., Tilling, K., & Thapar, A. (2020). ADHD and depression: investigating a causal explanation. Psychological Medicine , 51 (11), 1890–1897. https://doi.org/10.1017/s0033291720000665 
  2. Knouse, L. E., Zvorsky, I., & Safren, S. A. (2013). Depression in Adults with Attention-Deficit/Hyperactivity Disorder (ADHD): The Mediating Role of Cognitive-Behavioral Factors. Cognitive Therapy And Research , 37 (6), 1220–1232. https://doi.org/10.1007/s10608-013-9569-5 
  3. Mayer, J. S., Bernhard, A., Fann, N., Boxhoorn, S., Hartman, C. A., Reif, A., & Freitag, C. M. (2021). Cognitive mechanisms underlying depressive disorders in ADHD: A systematic review. Neuroscience & Biobehavioral Reviews , 121 , 307–345. https://doi.org/10.1016/j.neubiorev.2020.12.018