Sunspots are temporary phenomena on the photosphere of the Sun that appear visibly as dark spots compared to surrounding regions. They correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.
Tingling, pins and needles, paresthesia anxiety symptoms feelings anywhere on or in the body. You feel: A tingling sensation anywhere on or in the body, including the hands, feet, fingers, toes, head, face, arms, chest, back, groin, mouth, etc.
Tingling in one foot can have a number of causes, including an injury, sitting in one position for a long period of time, or a circulation problem that impairs blood flow to the feet. Tingling in one foot can also be caused by nerve damage from extreme heat or cold or from toxic substances. Alternatively, tingling in one foot may be caused by peripheral neuropathy, a disorder in which the peripheral nerves that relay signals between the body and the brain and spinal cord lose function. Peripheral neuropathy can be due to a number of specific diseases and disorders, including diabetes and alcoholism.