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 2015, the NASA Office of Inspector General issued a health hazards report related to space exploration, including a human mission to Mars. Many of the environmental conditions experienced by humans during spaceflight are very different from those in which humans evolved; however, technology such as that offered by a spaceship or spacesuit is able to shield people from the harshest conditions. The immediate needs for breathable air and drinkable water are addressed by a life support system, a group of devices that allow human beings to survive in outer space. The life support system supplies air, water and food. It