The IDN DifferenceIDN is the 4th generation of dry needling practice. We offer Foundation, Advanced and Specialty Dry Needling courses to medical and allied health professionals. The IDN DifferenceIDN is the 4th generation of dry needling practice. We offer Foundation, Advanced and Specialty Dry Needling courses to medical and allied health professionals. We Wrote The Book On ItOur neurological approach considers the systemic relationship between inflammation, pain and soft issue dysfunction. We Wrote The Book On ItOur neurological approach considers the systemic relationship between inflammation, pain and soft issue dysfunction. Dry Needling Courses Dry Needling Courses Practitioner Directory Practitioner Directory