John H. W. W. Rehfeld

John H. W. W. Rehfeld was a respected scientist known for his work in physiology, the study of how the body functions. His research focused on understanding how various organs and systems work together to regulate processes like digestion and hormone production. Rehfeld contributed to our knowledge of how the stomach and intestines communicate with the brain, helping to advance medical understanding of digestive health and hormonal control. His work has helped inform treatments for related disorders and deepened scientific insight into human biology.