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How Vitamin D Controls Calcium
Calcium is known as the bone-building nutrient. But some experts pointed that we should pay more attention to exercise and vitamin D.
Blood calcium levels must be maintained within a narrow range for normal nervous system functioning and maintenance of bone density. Blood calcium levels are especially vital in childhood during bone growth.
There are relationship also between calcium, vitamin D and osteoporosis.
Vitamin D as calcitriol is an essential for regulation of blood calcium and phosphorus levels. Bone health and regulation is also assisted by vitamin A, vitamin C, vitamin K, the hormone calcitonin, parathyroid hormone, and magnesium.
Calcium levels are sensed by the parathyroid glands.
If blood levels of calcium fall too low, the parathyroid glands secrete parathyroid hormone. The parathyroid hormone stimulates production of an enzyme in the kidneys. This enzyme increases the transformation of calcidiol to calcitriol. Calcitriol is a potent hormone that increases blood calcium levels.
Increased blood levels of calcitriol cause increased absorption of calcium from food in the intestines. The kidneys also reduce losses of calcium in the urine in response to increased levels of calcitriol.
It’s very important to keep optimum levels of calcium in the blood and for that matter a healthy and balanced diet is required.
In many cases, calcium can be mobilized from bones if dietary levels of calcium are insufficient. Increased release of calcium from the bones requires parathyroid hormone in addition to calcitriol.
Calcium and vitamin D are present in many liquid calcium supplements.. These two nutrients work together to help in the prevention of many diseases.
Most of the degenerative diseases are caused due to calcium deficiency but of course calcium deficiency is ultimately linked with deficiency of vitamin D.
CAlcium deficiency can occur with poor diet, abnormal parathyroid function (gland that regulates blood calcium levels), kidney failure, and vitamin D or magnesium deficiency.
Symptoms of deficiency include bone loss and weakening, muscle cramps, heart palpitations, tooth decay, back and leg pain, insomnia, nervous isorders, and rickets (bone deformities in children).
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FACTS ON CALCIUM AND VITAMIN D:
- Eighty percent of American women are deficient in calcium.
- Most of the calcium in the body, about 99 percent, is found in the bones andteeth. Only one percent is found in the blood and soft tissue.
- You need calcium along with Vitamin D to build strong bones and keep them that way throughout your life.
Vitamins and minerals in mushroom
Mushrooms are great natural sources of many vitamins and minerals. For example, cooked mushrooms are an excellent source of niacin and a good source of riboflavin.
Mushrooms are fleshy fungi, only some of which are edible. They usually have thick stems and rounded caps with radiating gills on the underside.
Mushrooms can be eaten raw or cooked. White and Enoki mushrooms can be added raw to fresh green salads.
Porcini mushrooms can be cooked with pork or chicken or combined with vegetables, rice, or pasta. Shiitakes are traditionally added to stir-fries and other sian dishes. Portabella mushrooms often are sliced, grilled, and served as an appetizer, added to sandwiches, or stuffed with any number of ingredients and baked.
Some mushroom varieties are also available canned or dried.
The nutritional value of a mushroom includes being low in calories and high in vegetable proteins, iron, fiber, zinc, essential amino acids, vitamins and minerals.
Health benefits and value of mushrooms differs from the type of mushrooms.
Shiitake Mushrooms
Shiitake has been considered as the "Elixir of Life". This mushroom has been found as anti-cancer food by the FDA of Japan. Lentinan founded in Shiitake is known to have some effect on bowel, stomach, liver and lung cancer. It boosts the production of T lymphocytes and other natural killer cells and reduces the negative health effects of AIDS.
Shiitake mushrooms include anti-oxidants such as uric acid, selenium and vitamin A, C, D and E. Shiitake mushrooms has been found to lower blood pressure for people with hypertension. In additional to the above nutritional benefits, the rich nutrition value of Shiitake mushroom is known to lower serum cholesterol levels and helps increase libido.
Maitake Mushroom
In Japan and China, Maitake Mushrooms have been eaten for the past 3000 years. Since history, the consumption of Maitake mushroom was believed to lower high blood pressure and prevents risk of cancer. Recent scientific researches have found that extracts of the Maitake Mushroom can control the growth of cancerous tumors and boost the immune system of almost all the cancerous mice used in the experiment.
Cordyceps Mushroom
Vitamins and minerals contained in Cordyceps mushroom strengthen the immune system, increase abilities to fight against viral and bacteria infection. Cordyceps is effective for treatment of high cholesterol, impotence, lung cancer, and kidney failure.
Consumption of cordyceps mushroom causes the human muscle to relax. Vitamins, minerals and other nutrients of cordycept are benefit for treating coughs, asthma, and other bronchial conditions as it relax muscles.
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H1N1 flu linked to Vitamin D deficiency
A recent University of Colorado study, of 18,000 people, shows those with higher levels of vitamin D appear to be better protected against the (Swine Flu) and seasonal flu.
Vitamin D deficiency is a widespread and common problem that causes chronic conditions, debilitating diseases and, in some cases, death. Over one million people die each year from vitamin D deficiency most likely due to not getting enough sun exposure because of skin cancer fears. The irony is that Vitamin D actually prevents cancer and other diseases including the swine flu.
The groups most affected by the H1N1 swine flu virus have been those most likely to be vitamin D deficient: pregnant women, obese people, those with Type II diabetes and children with neurological disorders.
Research on the Vitamin’s flu-prevention benefits have been around for the past 30 years. It was back in 1981 that R Edgar Hope Simpson first proposed that a principal cause of seasonal influenza is linked with the deficiency of solar radiation which triggers the production of vitamin D in the skin. Much of this hypothesis is based on the notion that Vitamin D deficiency is most commonly seen during the winter months when sunlight is at a premium.
Doctors recommend taking Vitamin D regularly to boost your immune system during winter season. Vitamin D is produced in the body during exposure to sunlight. During the winter we tend to get less exposure to sunlight.
People who take vitamin D supplements have better luck avoiding the seasonal flu; there is no reason to think that it won't do the same for H1N1 virus. Flu outbreaks tend to occur in places where solar radiation is low.
Many doctors are beginning to recommend a daily supplement of vitamin D of anywhere from 2,000 to 10,000 IU of vitamin D3 daily, especially in the winter.
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