Orthotics are shoe inserts that are intended to correct an abnormal, or irregular, walking pattern. Orthotics are not truly or solely “arch supports,” although some people use those words to describe them, and they perhaps can best be understood with those words in mind. They perform functions that make standing, walking, and running more comfortable [...]

Toenails often serve as barometers of our health; they are diagnostic tools providing the initial signal of the presence or onset of systemic diseases. For example, the pitting of nails and increased nail thickness can be manifestations of psoriasis. Concavity—nails that are rounded inward instead of outward—can foretell iron deficiency anemia. Some nail problems can [...]