What is Hypervitaminosis?
Hypervitaminosis A, or vitamin A toxicity, occurs when you have too much vitamin A in your body. This condition may be acute or chronic. Acute toxicity occurs after consuming large amounts of vitamin A over a short period of time, typically within a few hours or days.
What causes Avitaminosis?
Avitaminosis (vitamin lack) may be encountered when there are increased losses of vitamins such as occur with chronic severe diarrhea or excessive sweating or when there are increased requirements for vitamins during periods of rapid growth, especially during childhood and pregnancy.
Whats is scurvy?
Scurvy is the name for a vitamin C deficiency. It can lead to anemia, debility, exhaustion, spontaneous bleeding, pain in the limbs, and especially the legs, swelling in some parts of the body, and sometimes ulceration of the gums and loss of teeth. Scurvy has been known since ancient Greek and Egyptian times.
What is meant by vitamin deficiency?
Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency.
What are symptoms of Avitaminosis?
Avitaminosis causes pellagra (dermatitis, glossitis, stomatitis, nausea, vomiting, enteritis, diarrhea, neurological, and mental symptoms).
How can you prevent Avitaminosis?
To help prevent vitamin A deficiency, people should eat dark green leafy vegetables, yellow and orange fruits (such as papayas and oranges), carrots, and yellow vegetables (such as squash and pumpkin). Other food sources include milk and cereals that are fortified with vitamin A, liver, egg yolks, and fish liver oils.
What causes vitamin C deficiency?
Severe deficiency, called scurvy, causes bruising, gum and dental problems, dry hair and skin, and anemia. The diagnosis is based on symptoms and sometimes blood tests. Increasing consumption of fresh fruits and vegetables or taking vitamin C supplements by mouth usually corrects the deficiency.
What causes kwashiorkor?
The main cause of kwashiorkor is not eating enough protein or other essential vitamins and minerals. It’s most common in developing countries with a limited food supply, poor hygiene, and a lack of education about the importance of giving babies and children an adequate diet.
What do you mean by deficiency?
Definition of deficiency 1 : the quality or state of being defective or of lacking some necessary quality or element : the quality or state of being deficient : inadequacy suffers from a deficiency of critical thinking. 2 : an amount that is lacking or inadequate : shortage staffing deficiencies : such as.