Podiatrist podiatric medical school, followed by a three or four-year hospital-based surgical residency. Podiatrists are licensed in all 50 states. Worldwide, in many countries the term "podiatrist "refers to allied health professionals who specialize in the treatment of the lower extremity, particularly the foot. Podiatrists in these countries are specialists in the diagnosis and treatment of foot pathology, but not through surgical means. In some circumstances these practitioners will further specialise and, following further training, perform reconstructive foot and ankle surgery. In contrast, American podiatrists who hold a Doctor of Podiatric Medicine (D.P.M.) complete surgical residencies, and thus all practitioners are
Effect of spaceflight on the human body examined will become important. Overall, there is little data on the manifold effects of living in space, and this makes attempts toward mitigating the risks during a lengthy space habitation difficult. Test beds such as the ISS are currently being utilized to research some of these risks. The environment of space is still largely unknown, and there will likely be as-yet-unknown hazards. Meanwhile, future technologies such as artificial gravity and more complex bioregenerative life support systems may someday be capable of mitigating some risks. Effect of spaceflight on the human body Venturing into the environment of space can have negative