Avitaminosis: A group of diseases caused by the deficiency of one or more vitamins e.g. Beriberi (thiamine deficiency), rickets (Vitamin D deficiency), pellagra (niacin deficiency), pernicious anemia (Vitamin B12), bleeding (vitamin K deficiency) and night blindness (avitaminosis A). Symptoms depend on the type and degree of vitamin deficiency. Lack of various vitamins can affect just about every part of the body including the nervous system.
Blepharoptosis: Droopy upper eyelid. The condition may be caused by such things as stroke, brain tumor, diabetes and myasthenia gravis.
Headache: In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints
Peripheral neuropathy: Peripheral neuropathy is the term for damage to nerves of the peripheral nervous system, which may be caused either by diseases of the nerve or from the side-effects of systemic illness.