| Both overactivity and underactivity cause problems, and illnesses and unpleasant symptoms arise if this regulator goes wrong. |
| In addition, kidney transplantation is associated with overactivity of the parathyroid glands and osteonecrosis. |
| Acne is a skin condition caused by overactivity of the glands that secrete oily substances on to the skin. |
| While not specifically revealed in the searches, it is likely that any disease that results in autonomic overactivity may result in night sweats. |
| Rhinitis also causes overactivity of the glands in the mucous membrane, causing excessive mucus production and a watery discharge. |
| Some present stereotyped behaviors like body rocking and hand flapping, extreme underactivity or overactivity is noticed as well. |
