One of the 74,771 articles currently pinpointed by Deja Vu is a 2006 paper by Ebtekar on cytokines and air pollution published in English by the Iranian Journal of Allergy, Asthma and Immunology.
A facial expression is one or more motions or positions of the muscles beneath the skin of the face.According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal communication.acial expressions are vital to social communication between humans. They are caused by the movement of muscles that connect to the skin and fascia in the face. These muscles move the skin, creating lines and folds and causing the movement of facial features, such as the mouth and eyebrows.
Facial paralysis is a loss of facial movement due to nerve damage. Your facial muscles may appear to droop or become weak. It can happen on one or both sides of the face. Common causes of facial paralysis include: infection or inflammation of the facial nerve. head trauma. head or neck tumor.