Scientists have uncovered a surprising way certain lung cancers may trigger cachexia—a serious condition causing severe weight and muscle loss. In mouse studies, researchers found that some lung tumors communicate directly with the brain through sensory nerves in the lungs using a signaling molecule called prostaglandin E2 (PGE2). Disrupting this nerve communication or reducing PGE2 production, including through omega-3-rich diets, significantly reduced cachexia. Common anti-inflammatory drugs like aspirin and ibuprofen also showed similar effects in early experiments. Although these findings are still preclinical and require human studies, they could pave the way for new treatments that improve quality of life and outcomes for patients with lung cancer.
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