Cyclist Feels Warm Blood Before Brain Fluid Leaks from Nose Friday, August 22, 2025 cyclist injury brain fluid cerebrospinal trauma medical nose symptom emergency Stephen Moon, an avid cyclist, was alarmed when he first noticed a warm sensation of blood, followed by a clear fluid running from his nose. Unbeknownst to him at the time, this fluid was cerebrospinal fluid (CSF), the vital … Read More