A recent discussion centered around the relationship between brain tumors and depression. One participant shared their experience with a non-cancerous brain tumor, which was about 3 inches in diameter and did not cause any brain damage. After recovery, they noted a temporary alteration in their thinking, primarily linked to depression, but reported that their mental state returned to normal. The conversation explored whether depression could cause a tumor, with skepticism expressed about this idea, as no evidence supports a direct link between depression and tumor development. Instead, it was suggested that a tumor could potentially contribute to depression, depending on its location and effects on surrounding brain tissue. Another participant inquired about a tumor removed from their inner ear and its possible impact on their long-term depression, suggesting that the chemical imbalance caused by the tumor might have influenced their mood. The discussion concluded with the notion that while tumors themselves may not directly cause mood changes, related dysfunctions, such as vestibular issues, could play a role in mental health.