"Symptoms of mild deficiency include indigestion, fatigue, canker sores, vomiting, and depression. Severe deficiency can cause a condition known as pellagra. Pellagra is characterized by cracked, scaly skin, dementia, and diarrhea. It is generally treated with a nutritionally balanced diet and niacin supplements. Niacin deficiency also results in burning in the mouth and a swollen, bright red tongue."
night blindness is cuased due to the lack of vitamin eye .
scurvy, from vitamin C deficiency
The deficiency of vitamin E is very rare. But still it may cause haemolytic anaemia.
Beriberi (also called lack of vitamin B1), beriberi is a systemic disease which was due to a lack of vitamin B1 in vivo . http://beriberi-disease.blogspot.com/2009/04/beriberi-is-caused-by-vitamin-b1.html
Sickness may be due to pathogen and not deficiency of vitamins.Each vitamin deficiency leads to specific symptoms.eg: night blindness due to lack of vitamin A and E,rickets due to lack of vitamin C etc. which is not sickness.
Beriberi is caused by a lack of vitamin B1, pellagra by a lack of vitamin B3, while pernicious anemia is due to a lack of vitamin B12. A lack of Vitamin B is simply called a Vitamin B Deficiency.
pressure on the heart caused by fluid in the pericardial space
Perncious anemia is caused by the body's inability to absorb the vitamin B12 from the gastrointestinal tract, due to a loss of gastric parietal cells. Regular B12 supplementation can keep pernicious anemia at bay, though it is not a complete cure. B12 is a vitamin obtained from meat and dairy products.
If you have a lack of vitamind B6 it is harder fro you to poo.
It is due to the deficiency of Vitamin B3 (Niacin)
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