4. Unexplained Weight Loss
Losing weight without making any changes to your diet or exercise routine may seem like a positive change, but it could be a warning sign of an underlying health issue, including lung cancer. Cancer cells consume a significant amount of energy as they grow and spread, leading to unexplained weight loss in affected individuals.
This type of weight loss is often rapid and noticeable. For instance, dropping several pounds in a short period without trying is not normal and should prompt further investigation. If you experience sudden and unexplained weight changes, consult your doctor immediately.
