Can Anxiety and OCD Increase Cancer Risk? the Connection - Psychiatry

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Does having anxiety disorder and obsessive-compulsive disorder increase the risk of cancer?


Hello, Doctor.
I apologize for repeating my question, but I previously sent an article seeking clarification, and you responded, but I found it difficult to understand your answer.
I have been trying to make sense of it for a long time, and it may be due to my limited comprehension.
Could you please respond to me again? The answer is extremely important to me, and I greatly appreciate your help.

Here is your response: Dr.
Wu Enliang, psychiatrist, suggested: "Individuals with anxiety disorders and obsessive-compulsive disorder do not necessarily develop cancer.
Having stress does not automatically lead to cancer, so please rest assured."
Here is my original question: Hello, Doctor.
I have been suffering from obsessive-compulsive disorder and anxiety disorder for over ten years, with the core symptom being a fear of death and separation.
This has led to significant concern about my health, particularly a fear of cancer.
Whenever I notice even a slight health issue, I immediately associate it with cancer.
When my physical condition is stable, I shift my focus to whether my work environment poses health risks or cancer risks.
Additionally, my fear of being separated from my beloved wife makes me worry about her work environment and potential cancer risks.
These concerns have been very distressing for me.
My wife often advises me to let go of my obsessions and to accept life and death, saying that my constant anxiety creates stress, which could lead to cancer.
She suggests that my fear of cancer may actually increase my cancer risk.
Now, I am suddenly very worried about what my wife has told me regarding stress potentially causing cancer.
Does this mean that individuals with anxiety disorders and obsessive-compulsive disorder are all at risk of developing cancer? Does having stress lead to cancer? Currently, my logic is that anxiety disorder equals stress equals cancer, and this thought is causing me great distress.
I will definitely ask my psychiatrist this question during my next appointment.
Thank you very much for taking the time to read my concerns.

JAMES, 40~49 year old female. Ask Date: 2022/05/31

Dr. Wu Enliang reply Psychiatry


Hello: Individuals with anxiety disorders and obsessive-compulsive disorder do not necessarily develop cancer.
Additionally, experiencing stress does not automatically lead to cancer, so please rest assured.

Reply Date: 2022/05/31

More Info


It's understandable to feel overwhelmed when dealing with anxiety and obsessive-compulsive disorder (OCD), especially when compounded by fears of serious health issues like cancer. Your concerns about the potential link between anxiety, OCD, and cancer risk are valid, and it's important to address them with accurate information and reassurance.

First, let's clarify the relationship between anxiety, OCD, and cancer risk. Current research does not definitively establish that anxiety or OCD directly increases the risk of developing cancer. While some studies suggest that chronic stress and anxiety may have an impact on overall health, including immune function, the evidence linking these mental health conditions to a higher cancer risk remains inconclusive. It's crucial to understand that having anxiety or OCD does not mean you will inevitably develop cancer.

The fear of illness, particularly cancer, is a common symptom among individuals with anxiety disorders. This fear can lead to a cycle of heightened anxiety, where the more you worry about your health, the more stressed you become, which in turn can exacerbate your anxiety. This cycle can be distressing and may lead you to misinterpret normal bodily sensations as signs of serious illness. It's essential to recognize that while stress can affect your overall well-being, it does not directly cause cancer.

Your concern about the impact of stress on health is shared by many, and it's important to manage stress effectively. Chronic stress can lead to various health issues, including cardiovascular problems and weakened immune function, but it does not specifically cause cancer. Engaging in stress-reducing activities such as regular exercise, mindfulness practices, and relaxation techniques can be beneficial. Cognitive-behavioral therapy (CBT) is also an effective treatment for anxiety and OCD, helping you to reframe negative thoughts and reduce irrational fears.

Regarding your worries about your wife’s health and potential cancer risks in her work environment, it's important to communicate openly with her about your concerns. Encourage her to engage in regular health check-ups and to maintain a healthy lifestyle, which can help mitigate some health risks. However, it's crucial to avoid letting these fears dominate your thoughts or your relationship.

In summary, while anxiety and OCD can lead to increased stress and worry about health, they do not directly increase the risk of cancer. It's essential to focus on managing your anxiety and OCD through appropriate treatment, whether it be therapy, medication, or lifestyle changes. Regular consultations with your mental health professional can provide you with the support and strategies needed to cope with these fears effectively.

If you find that your anxiety about health continues to interfere with your daily life, consider discussing this with your healthcare provider. They can help you explore further treatment options or adjustments to your current treatment plan. Remember, you are not alone in this, and there are resources available to help you navigate these challenges.

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