DNA (deoxyribonucleic acid) is the genomic material in cells that contains the genetic information used in the development and functioning of all known living organisms. DNA, along with RNA and proteins, is one of the three major macromolecules that are essential for life.
Further information: Osteopathic medicine in the United States. Doctor of Osteopathic Medicine (D.O.) is a professional doctoral degree for physicians and surgeons offered by medical schools in the United States. A D.O. degree graduate may become licensed as an osteopathic physician, having equivalent rights, privileges, and responsibilities as a physician who has earned the Doctor of Medicine (M.D.) degree.
A doctor of osteopathy typically practices manipulative medicine treatment in addition to more traditional methods of symptom relief and prevention. A doctor of osteopathy studies the body as a whole. A doctor of osteopathy is less likely to specialize than a medical doctor. Doctor of Osteopathy (D.O.), more correctly called a Doctor of Osteopathic Medicine, is very much like a traditional medical doctor (M.D.), but receives additional training in the body's musculoskeletal system.