Lung Health Concerns: Anxiety, Fatigue, and Cancer Risks - Pulmonology

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Concerns about lung health


Hello Doctor, I am a 41-year-old male, 172 cm tall and weighing 80 kg.
I have been suffering from anxiety disorder, obsessive-compulsive disorder, and hypochondria for over a decade.
I have long-term issues with fatigue and poor sleep quality.
My diet is not particularly healthy, but it's not terrible either.
In recent years, I've switched to drinks with reduced sugar content.
I have never smoked, consumed alcohol, or chewed betel nut.

I have experienced fatigue and poor sleep for many years, and I feel that this issue has become more pronounced in the last two years.
I'm unsure if this is related to aging or post-COVID syndrome.
I've read online that chronic fatigue can have many causes, and it is advisable to see a family doctor to rule out serious illnesses and cancers.
Some articles suggest that fatigue and stress are more closely related to lung cancer, colorectal cancer, and gastric cancer.

Last week, I visited a family doctor, who mentioned that it is difficult to pinpoint the cause of my issues.
Two months ago, I spent 700 TWD on blood and urine tests to check my basic health, and I brought the report to the doctor.
He said that I don't seem to have any major problems and advised me to relax and exercise more.

I would like to ask you, Doctor, I do not believe I have symptoms of lung cancer, just fatigue.
A year ago (in 2023), I voluntarily underwent a low-dose lung CT scan, and the results were completely normal.
I plan to have another routine low-dose lung CT scan next year (in 2025).
However, my hypochondria has flared up, and I suddenly recalled that my uncle had lung cancer in the past.
Additionally, I have concerns about my dietary habits over the past 40 years, the stress from my long-term hypochondria, my consumption of sugary drinks, my fatigue, and my weight gain from 74 kg to 80 kg over the past two years (obesity is a cancer risk factor).
I have also been less active lately (I used to play basketball on weekends).
Furthermore, I read that hypochondria is associated with a higher mortality rate.

Given all these factors, I am worried that since my low-dose lung CT scan a year ago, I might have developed lung cancer.
Do you think I have lung cancer now? What should I do? Should I immediately get another low-dose lung CT scan, or when would be an appropriate time for the next scan? Additionally, I am very anxious about undergoing the low-dose lung CT scan because I have heard that false positives can be high, and I am a highly anxious person.

Note: I have been seeing a psychiatrist and primarily take SNRI medications, but I have been inconsistent with them because sometimes I feel they are ineffective.
Thank you, Doctor.

JAMES, 40~49 year old female. Ask Date: 2024/05/09

Dr. Shen Bochan reply Pulmonology


Hello, Amitabha.
Let go, and live peacefully.

Reply Date: 2024/05/09

More Info


It's understandable to feel anxious about your health, especially given your history of anxiety disorders and the concerns you've raised regarding lung health and cancer risks. Let's break down your situation and address your worries systematically.

Firstly, it's important to acknowledge that anxiety can significantly amplify health concerns. Your long-standing anxiety disorder, along with obsessive-compulsive tendencies and health anxiety, can lead to a heightened perception of bodily sensations and fears about serious illnesses, including cancer. This is not uncommon among individuals with anxiety disorders, as they often focus on potential health issues, leading to increased stress and fatigue.

You mentioned experiencing chronic fatigue and poor sleep quality. These symptoms can stem from various factors, including anxiety, lifestyle choices, and possibly even post-COVID-19 effects, as you suggested. Chronic fatigue can indeed be multifactorial, and while it's wise to rule out serious conditions, it's also essential to recognize that anxiety itself can contribute to feelings of fatigue and sleep disturbances. The fact that your recent blood tests and low-dose CT scan showed no abnormalities is reassuring and suggests that there is no immediate cause for alarm regarding lung cancer.

Regarding your concerns about lung cancer specifically, it's crucial to understand that the risk factors for lung cancer primarily include smoking, exposure to secondhand smoke, and certain environmental factors. Since you have never smoked and have no significant family history of lung cancer, your risk is considerably lower than that of individuals with these risk factors. Additionally, your previous low-dose CT scan, which showed no issues, further supports the idea that you are not at high risk for lung cancer at this time.

You also mentioned your weight gain and reduced physical activity over the past two years. While obesity can be a risk factor for various health issues, including some cancers, it is essential to focus on overall health rather than fixating solely on weight. Incorporating regular physical activity and a balanced diet can help improve your energy levels and overall well-being. Even small changes, such as taking short walks or engaging in light exercises, can make a significant difference in how you feel.

As for your question about whether you should undergo another low-dose CT scan, it's generally recommended to follow the screening guidelines provided by your healthcare provider. Since your last scan was only a year ago and showed no abnormalities, it may not be necessary to have another one immediately unless you develop new symptoms or your doctor advises otherwise. It's also worth discussing your fears about the potential for false positives with your healthcare provider, as they can provide you with more information about the accuracy of these tests and help alleviate your concerns.

In terms of managing your anxiety, it may be beneficial to continue working with a mental health professional. Cognitive-behavioral therapy (CBT) is particularly effective for health anxiety, as it can help you reframe your thoughts and reduce the cycle of worry. Additionally, mindfulness practices, relaxation techniques, and regular physical activity can also help manage anxiety levels.

In summary, while your concerns about lung cancer are understandable given your anxiety history, the evidence from your medical evaluations suggests that you are not at high risk. Focus on maintaining a healthy lifestyle, managing your anxiety, and following up with your healthcare provider as needed. Remember, it's okay to seek support when you're feeling overwhelmed, and taking proactive steps toward your mental and physical health can lead to significant improvements in your overall well-being.

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