Summary
Depression and anxiety have long been suspected to be linked to an increased risk of developing cancer. However, a new study conducted by a multi-national team has found that there is no substantial association between depression, anxiety, and most types of cancer. The team did find a slight correlation with lung and smoking-related cancers, but this correlation was significantly reduced after accounting for lifestyle factors. This suggests that unhealthy behaviors associated with anxiety or depression, such as smoking, may be the true drivers of increased cancer risk.
Key Facts
- The analysis examined data from multiple studies across the Netherlands, UK, Norway, and Canada.
- No substantial link was found between depression, anxiety, and most types of cancer.
- A slight association was found with lung and smoking-related cancers, which was reduced after considering lifestyle factors.
- The study highlights the importance of addressing unhealthy behaviors associated with mental health conditions in the context of cancer risk.
Opinion as a Psychiatrist
As a psychiatrist, I believe this study provides valuable insights into the association between mental health conditions and cancer risk. The findings suggest that the commonly-held belief that depression and anxiety directly increase the risk of developing most types of cancer may not be accurate. Instead, the study indicates that unhealthy behaviors, such as smoking, that are often associated with mental health conditions may be the primary factors driving increased cancer risk.
This information can be reassuring to patients with cancer who have previously been concerned that their mental health conditions played a significant role in their diagnosis. However, it is important to note that further research is needed to fully understand the relationship between depression, anxiety, health behaviors, and specific types of cancer, such as lung cancer. Nonetheless, this study emphasizes the importance of addressing unhealthy behaviors, including smoking, in individuals with mental health conditions to help reduce their overall cancer risk.
Dr Olivia Reed, MD, Cure of Mind