The truth about Vitamin D


 

Vitamins
Vitamins (Photo credit: DBduo Photography)

 

The Truth About Vitamin D
 
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Vitamin D : 

Wonder Pill or Overkill ?

Wouldn’t it be great if one vitamin could build stronger bones and protect against diabetes, multiple sclerosis, cancer, heart disease, and depression? Or even help you lose weight? Researchers have high hopes for vitamin D — which comes from our skin’s reaction to sunlight, a few foods, and supplements. Learn the facts in the slides ahead … and see who’s at risk for a “D” deficiency.
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Vitamin D 

Boosts Bone Health

Vitamin D is critical for strong bones, from infancy into old age. It helps the body absorb calcium from food. In older adults, a daily dose of “D” and calcium helps to prevent fractures and brittle bones. Children need “D” to build strong bones and prevent rickets, a cause of bowed legs, knock knees, and weak bones. Adding the vitamin to milk in the 1930s helped to nearly eliminate the disorder. Shown here is the honeycombed structure inside a healthy bone.
 
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Vitamin D

 And Multiple Sclerosis

Multiple sclerosis (MS) is more common far away from the sunny equator.
 For years, experts suspected a link between sunlight, vitamin D levels, and this autoimmune disorder that damages the nerves. 
One newer clue comes from a study of a rare gene defect that leads to low levels of vitamin D – and a higher risk of MS. Despite these links, there’s not enough evidence to recommend vitamin D for the prevention or treatment of MS.
 

Vitamin D 

And Diabetes

Some studies have shown a link between a low vitamin D level and type 2 diabetes — the more common version of this blood sugar disorder. So, can boosting your vitamin D levels help ward off the disease? There’s not enough proof for doctors to recommend taking this supplement to prevent type 2 diabetes. Excess body fat may play a role in diabetes and low levels of vitamin D. 
 
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Vitamin D 

And Weight Loss

Studies have shown that people who are obese often have low blood levels of vitamin D. Body fat traps vitamin D, making it less available to the body. It’s not clear whether obesity itself causes a low vitamin D level or if it’s the other way around. But one small study of dieters suggests that adding vitamin D to a calorie-restricted diet may help overweight people with low vitamin D levels lose weight more easily.
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Low “D” 

And Depression

Vitamin D plays a role in brain development and function. One promising study showed that large doses of vitamin D could lessen the symptoms of mild depression. But other studies show mixed results. The best bet is to talk with your doctor about whether vitamin D could ward off the symptoms of depression.
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How Does Sun Give You  

Vitamin D ?

When the sun shines on bare skin, your body makes its own vitamin D. This is the major source of vitamin D, but it’s not enough for many people. Fair-skinned people might get enough in 5-10 minutes on a sunny day, a few times a week. But cloudy days, the low light of winter, and the use of sun block (important to avoid skin cancer) all interfere. Older people and those with darker skin tones don’t make as much from sun exposure. Experts say it’s better to rely on food and supplements.
 
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Dining With 

Vitamin D

Many of the foods we eat have no naturally occurring vitamin D. Fish such as salmon, swordfish, or mackerel is one big exception — and can provide a healthy amount of vitamin D in one serving. Other fatty fish such as tuna and sardines have some “D,” but in much lower amounts. Small amounts are found in egg yolk, beef liver, and fortified foods like cereal and milk. Cheese and ice cream do not usually have added vitamin D.
 

Start Your Day With

 Vitamin D

Choose your breakfast foods wisely, and you can get a substantial amount of vitamin D. Most types of milk are fortified, including some soy milks. Orange juice, cereal, bread, and some yogurt brands also commonly have added vitamin D. Check the labels to see how much “D” you’re getting.

Vitamin D 

Supplements

For people who want to take vitamin D in pill form, there are two kinds: D2 (ergocalciferol), which is the type found in food, and D3 (cholecalciferol), which is the type made from sunlight. They’re produced differently, but both can raise vitamin D levels in your blood. Most multivitamins have 400 IU of vitamin D. Check with your health care provider for the best supplements for your needs.
 
 

Are You Vitamin D Deficient?

Problems converting vitamin D from food or sunshine can set you up for a deficiency. Factors that increase your risk include:
  • Age 50 or older
  • Dark skin
  • A northern home
  • Overweight, obese, gastric bypass surgery
  • Milk allergy or lactose intolerance
  • Liver or digestive diseases, such as Crohn’s disease or celiac

Symptoms of “D” Deficiency

Most people with low blood levels of vitamin D don’t notice any symptoms. A severe deficiency in adults can cause soft bones, called osteomalacia (shown here). The symptoms include bone pain and muscle weakness. In children, a severe deficiency can lead to rickets and symptoms of soft bones and skeletal problems. Rickets is rare in the United States

Testing Your Vitamin D Level

There’s a simple blood test used to check your vitamin D level, called the 25-hydroxyvitamin D test. Current guidelines by the Institute of Medicine set a blood level of 20 nanograms per milliliter (ng/mL) as a goal for good bone health and overall health. However, some doctors say people should go higher, to about 30 ng/mL to get the full health benefits of vitamin D.

How Much

 Vitamin D Do You Need?

The recommended dietary allowance for vitamin D is 600 IU (international units) per day for adults up to age 70. People aged 71 and older should aim for 800 IU from their diet. Some researchers recommend much higher doses of vitamin D, but too much vitamin D can hurt you. Above 4,000 IU per day, the risk for harm rises, according to the Institute of Medicine.

Daily “D” 

for Breast-feeding Babies

Breast milk is best, but it doesn’t have much vitamin D. Breastfed babies need 400 IU of vitamin D until they’re weaned to fortified formula and can drink at least one liter (about 4 ¼ cups) every day. Starting at age 1, babies drinking fortified milk no longer need a vitamin D supplement. Be careful not to give too much vitamin D to babies. High doses can cause nausea, vomiting, loss of appetite, excessive thirst, muscle aches, or more serious symptoms.

Vitamin D for Older Children

Most children and adolescents don’t get enough vitamin D from drinking milk. They should have a supplement with 400 IU to 600 IU. That amount is often included in chewable multivitamins. Children with some chronic diseases such as cystic fibrosis may be at increased risk for vitamin D deficiency. Talk to your child’s doctor about the need for extra vitamin D.

How Much Is Too Much 

Vitamin D?

Some researchers suggest taking far more vitamin D than the 600 IU daily guideline for healthy adults. But too much be dangerous. Very high doses of vitamin D can raise your blood calcium level, causing damage to blood vessels, heart, and kidneys. The Institute of Medicine sets the upper tolerable limit at 4,000 IU of vitamin D per day. You can’t get too much vitamin D from the sun. Your body simply stops making more. But sun exposure without sunscreen can raise your risk of skin cancer.

Drugs That Interact With

 Vitamin D

Some drugs cause your body to absorb less vitamin D. These include laxatives, steroids, anti-seizure and anti-cholesterol medicines. If you take digoxin, a heart medicine, too much vitamin D can raise the level of calcium in your blood and lead to an abnormal heart rhythm. It’s important to discuss your use of vitamin D supplements with your doctor or pharmacist.

Vitamin D and Colon Cancer

It’s too soon to make a strong case for vitamin D as an overall cancer-fighter. But newer studies suggest that people with higher levels of vitamin D in their blood may have a lower risk for colon cancer.
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Vitamin D and Other Cancers

Headlines tout vitamin D as a way to prevent breast and prostate cancer. But researchers don’t yet have enough evidence to say that the benefits are real. And, vitamin D may boost the risk of pancreatic cancer. The VITAL Study — a Harvard university study — of vitamin D and omega-3 is following 20,000 volunteers to find answers. In the meantime, a healthy body weight, regular exercise, and the diet guidelines of the American Cancer Society may help prevent cancer.

Vitamin D and Heart Disease

Low levels of vitamin D have been linked to a greater risk of heart attack, stroke, and heart disease. Still, it’s not clear whether boosting vitamin D will reduce heart risks and how much vitamin D is needed. Very high levels of vitamin D in the blood can actually harm blood vessels and the heart by increasing the amount of calcium in the bloodstream.

A Factor in Dementia?

Older people are more likely to have vitamin D levels that are too low. Researchers found that older people with vitamin D deficiency performed poorly on tests of memory, attention, and reasoning compared to people with enough vitamin D in their blood. Still, better studies are needed to learn if vitamin D supplements could prevent dementia or slow mental decline.
 

 
 

 

Gayatri


this may be a repeat but the importance of the same I am reproducing the same

GAYATRI MANTRA & Its Scientific Meaning
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Gayatri mantra has been bestowed the greatest importance in Vedic dharma.This mantra has also been termed as Savitri and Ved-Mata, the mother of the Vedas.
Om bhur bhuvah swah
Tat savitur varenyam
Bhargo devasya dheemahi
Dhiyo yo nah prachodayat
The literal meaning of the mantra is:
O God! You are Omnipresent, Omnipotent and Almighty, You are all Light.You are all Knowledge and Bliss. You are Destroyer of fear, You are Creator of this Universe, You are the Greatest of all.We bow and meditate upon Your light. You guide our intellect in the right direction.
The mantra, however, has a great scientific importance too, which somehow got lost in the literary tradition. The modern astrophysics and astronomy tell us that our Galaxy called Milky Way or Akash-Ganga contains approximately 100,000 million of stars. Each star is like our sun having its own planet system. We know that the moon moves round the earth and the earth moves round the sun along with the moon. All planets round the sun. Each of the above bodies revolves round at its own axis as well. Our sun along with its family takes one round of the galactic center in 22.5 crore years. All galaxies including ours are moving away at a terrific velocity of 20,000 mile s per second.
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And now the alternative scientific meaning of the mantra step by step:
(A). OM BHUR BHUVAH SWAH:
Bhur the earth, bhuvah the planets (solar family), swah the Galaxy. We observe that when an ordinary fan with a speed of 900 RPM (rotations Per minute) moves, it makes noise. Then, one can imagine, what great noise would be created when the galaxies move with a speed of 20,000 miles per second. This is what this portion of the mantra explains that the sound produced due to the fast-moving earth, planets and galaxies is Om. The sound was heard during meditation by Rishi Vishvamitra, who mentioned it to other colleagues. All of them, then unanimously decided to call this sound Om the name of God, because this sound is available in all the three periods of time, hence it is set (permanent). Therefore, it was the first ever revolutionary idea to identify formless God with a specific title (form) called upadhi. Until that time, everybody recognized God as formless and nobody was prepared to accept this new idea. In the Gita also, it is said, “Omiti ekaksharam brahma”, meaning that the name of the Supreme is Om , which contains only one syllable (8/12). This sound Om heard during samadhi was called by all the seers nada-brahma a very great noise), but not a noise that is normally heard beyond a specific amplitude and limits of decibels suited to human hearing. Hence the rishis called this sound Udgith musical sound of the above, i.e., heaven. They also noticed that the infinite mass of galaxies moving with a velocity of 20,000 miles/second was generating a kinetic energy = 1/2 MV2 and this was balancing the total energy consumption of the cosmos. Hence they named it Pranavah, which means the body (vapu) or store house of energy
(prana).cid:4.164294007@web45009.mail.sp1.yahoo.com
(B). TAT SAVITUR VARENYAM:
Tat that (God), savitur the sun (star), varenyam worthy of bowing or respect. Once the form of a person along with the name is known to us, we may locate the specific person.Hence the two titles (upadhi) provide the solid ground to identify the formless God, Vishvamitra suggested. He told us that we could know (realize) the unknowable formless God through the known factors, viz., sound Om and light of suns (stars). A mathematician can solve an equation x2+y2=4; if x=2; then y can be known and so on. An engineer can measure the width of a river even by standing at the riverbank just by drawing a triangle. So was the scientific method suggested by Vishvamitra in the mantra in the next portion as under:-
(C). BHARGO DEVASYA DHEEMAHI:
Bhargo the light, devasya of the deity, dheemahi we should meditate. The rishi instructs us to meditate upon the available form (light of suns) to discover the formless Creator (God). Also he wants us to do japa of the word Om (this is understood in the Mantra). This is how the sage wants us to proceed, but there is a great problem to realize it, as the human mind is so shaky and restless that without the grace of the Supreme (Brahma) it cannot be controlled. Hence Vishvamitra suggests the way to pray Him as under:
(D). DHIYO YO NAH PRACHODAYAT:
Dhiyo (intellect), yo (who), nah (we all), prachodayat (guide to right Direction). O God! Deploy our intellect on the right path. Full scientific interpretation of the Mantra: The earth (bhur), the planets (bhuvah), and the galaxies (swah) are moving at a very great velocity, the sound produced is Om , (the name of formless God.) That God (tat), who manifests Himself in the form of light of suns (savitur) is worthy of bowing/respect (varenyam). We all, therefore, should meditate (dheemahi) upon the light (bhargo) of that deity (devasya) and also do chanting of Om. May He (yo) guide in right direction (prachodayat) our(nah) intellect dhiyo.
So we notice that the important points hinted in the mantra is:-
The total kinetic energy generated by the movement of galaxies acts as an umbrella and balances the total energy consumption of the cosmos. Hence it was named as the Pranavah (body of energy). This is equal to 1/2 mv2 (Mass of galaxies x velocity.
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— 

Mesmerizing Night Sky


 

These will make you starry-eyed! Photographers look to the night sky for dazzling astronomical displays

By Anna Edwards
PUBLISHED: 03:28 GMT, 24 August 2012 | UPDATED: 07:52 GMT, 24 August 2012
The rich colours, dusting of stars, smattering of bright lights and ethereal patterns look almost like they are a work of fiction.
But the beautiful images are just photographs of the night sky.
Huge eruptions shooting from the Sun’s surface, the dazzling green and red lights of the aurora borealis, and spectacular clouds of colourful dust in which new stars are forming thousands of light years away; these are just some of the awe-inspiring sights captured by photographers.
The dazzling displays were photographed for the 2012 Astronomy Photographer of the Year competition – and the entries show just how spectacular the sky is.

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In the centre of the Orion Nebula newly-formed stars blast their surroundings with radiation, carving out a cavity in the dust and causing the hydrogen gas to glow pink
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The dazzling Aurora Borealis over Hgtuva Mountain in Norway is captured with its shimmering neon lights
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The Milky Way stretches across the sky above the manmade pockets of hazy lights from the towns and villages below near Uludag National Park in Turkey
The competition, which is run by the Royal Observatory Greenwich in association with Sky at Night Magazine, is now in its fourth year and continues to go from strength to strength, once again receiving a record number of spectacular entries from enthusiastic amateurs and professional photographers from around the globe.
Shortlisted entries include a breath-taking view of stars over snow-covered Japanese mountains; the full Moon setting behind a historic abbey on Mount Pirchiriano in Italy; a meteor streaking through the sky above a rock formation in Utah, USA; and a group of friends stargazing at a caravan site in the Gower Peninsular, South Wales.
The diversity of locations is not just limited to Earth.
Photographers have also captured sights from across our Solar System, galaxy and beyond; from detailed mosaics of our Moon’s surface, to shimmering dust columns in distant nebulae, and out beyond the Milky Way to the swirling Andromeda Galaxy.
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A chance moment meant a photographer caught the image of a jet and its twin vapour trails flying past the disc of the Sun
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This picture shows the column of dust known as the Elephant’s Trunk in the constellation of Cepheus




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GConnect – Govt Employees News, Circulars, Notifications, Rules, Regulations. » Higgs Boson Research – Contribution of Indian Scientists


GConnect – Govt Employees News, Circulars, Notifications, Rules, Regulations. » Higgs Boson Research – Contribution of Indian Scientists.