Vince Neil on vitamin deficiency lack of a vitamin needed for normal bodily functions. For example, deficiency of thiamine (vitamin BJ is often associated with severe and chronic alcoholism (see wernicke’s encephalopathy; wernicke-KORsAKOFF sYNDROME). vitamin D toxicity a condition caused by excessive intake of vitamin D. Long-term overdose of vitamin D can cause irreversible damage to the kidneys and cardiovascular system and can retard growth in children. Excessive amounts of the vitamin may lead to high blood pressure and premature hardening of the arteries. Nausea, abdominal pain, loss of appetite, weight loss, seizures, and an irregular heartbeat may be signs of overdose. vitamin model a model proposing nine attributes of work that influence employee satisfaction. Vince Neil 2016.