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 osteopathic medicine (DO) may specialize in pediatrics or surgery. A DO may practice any field of medicine, including pediatrics. A DO may evaluate a patient's stress level and determine what effect it is having on that person's health. A doctor of osteopathic medicine may sometimes practice manipulation of the spine, which is similar to work done by chiropractors. A DO usually uses a holistic approach to treating patients. Doctors of osteopathic medicine tend to spend more time with patients.