சூரிய வெளிச்சம் உடல் மீது படுவதால், உடல் வைட்டமின் டி தயாரிக்கிறது. இப்படி சூரிய வெளிச்சம் விழாததால், ஏராளமான பெண்களுக்கு வைட்டமின் டி குறைவு ஏற்பட்டு பலவிதமான நோய்களுக்கு காரணமாகிறது.
கறுப்பு நிறமுள்ளவர்கள் (உடல் தோலில் மெலனின் அதிகம் உள்ளவர்கள்) இந்த விட்டமின் தயாரிப்பது இயற்கையிலேயே குறைவு. அவர்கள் உடலை மூடினால், இன்னும் தீவிரமான வைட்டமின் டி பற்றாக்குறையால் எலும்புகள் வலுவிழந்து போகும் என்று எச்சரிக்கிறார்கள்.
எலும்புகள் பலமிழந்தால், சிறுவயதிலேயே கால்கள் வலு இழந்து வளைந்து போகும் என்று எச்சரிக்கிறார்கள்.
Women in hijabs 'need sunlight or risk illness'
18.07.07
The traditional hijab could be preventing some women from receiving enough sunlight on their skin
Muslim women who wear the hijab are at risk of serious illness because they do not get enough sun, doctors have warned.
They said an alarming number of women who cover their skin are suffering bone deficiencies over a lack of vitamin D.
Most of the body's vitamin D - which prevents rickets - is obtained through sunlight acting on the skin. Only a little comes from food.
Doctors told a London conference today that people with dark pigment are at risk because of "cultural reasons" and because they are less efficient at producing the vitamin.
The bone disorder rickets has now broken out in young Muslim children as babies are not getting enough calcium from mothers' breast milk.
The National Health Service is launching a campaign aimed at Muslim women, particularly Bangladeshi, Pakistani and Somalis, to encourage them to increase their vitamin D intake.
A Department of Health spokesman said: "For ethnic groups there is an increased risk of vitamin D deficiency as people with dark and pigmented skin are less efficient at making vitamin D in their skin.
"They need to spend longer outside to make similar amounts and those who wear concealing clothing are unlikely to make enough.
"Studies have shown low vitamin D levels in Asian women in the UK - particularly among those who cover most of their skin for cultural reasons."
The problem first came to light in Bradford, which has one of the highest Muslim populations in Britain.
Community leaders and doctors will today warn a conference in Acton that women in London are also in danger of passing vitamin deficiencies to their children. The Department of Health project - called Healthy Start - comes after studies show Muslim children lack vitamin D.
Officials are concerned it is driven by mothers who are not getting enough of the vitamin because they are fully covered by the hijab.
This is because vitamin D helps calcium get absorbed from the intestine and pushes the calcium into the bone.
The Government is calling on community leaders to warn Muslims they need more sunlight and better diets. Pregnant women are also advised to take vitamin D supplements and folic acid.
A spokeswoman said: "People may be at risk if they are South Asian, African or African-Caribbean and have low exposure to sunlight, for example if they observe Hijab or do not spend much time outside."
She said a poor diet or restricted diet such as veganism, also posed dangers. "Breastfeeding is recommended for all babies, however a baby may be at risk if breast-fed and the mother has a low vitamin D level herself."
Through the Healthy Start scheme qualifying families and pregnant women will be given vouchers for fruit and vegetables as well as milk and infant formula, plus free vitamin supplements.
One official said: "We are not interfering in a Muslim woman's right to wear the hijab, but we are stressing that we all need sunlight on our skins. If you have your head and skin covered, then you risk stopping these natural rays from topping up vital vitamins."
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முன்பெல்லாம் எங்கள் ஊரில் முகம்மதியப் பெண்டிர் வெள்ளை நிற துப்பட்டியை பர்தாவாக அணிவர்.
சவுதி மற்றும் அரபு நாட்டின் பணம் புழங்க ஆரம்பித்ததும் கருப்பு புர்கா அணிந்து, கண் மட்டுமே வெளியில் தெரியும் வண்ணம் நடமாடுகின்றனர்.
என்னே முன்னேற்றம்!
From BBC
Rickets upsurge among UK Asians
Traditional Muslim dress reduces sunlight exposure
An increase in the number of cases of the bone disease rickets may be partly due to strict Muslim dress codes, say doctors.
The Asian community appears to be particularly vulnerable to the disease, which is caused by a lack of vitamin D.
This is produced naturally by the body when strong light hits the skin.
However, traditional Muslim female dress places emphasis on relatively little skin being exposed to sunlight.
This can lead to a vitamin D deficiency in mothers which is then passed on to their children during and after pregnancy.
The deficiency stops the bones developing properly, producing bow-legs and thickened wrists and ankles.
It was common at the turn of the century, but improved nutrition led virtually to its eradication from the UK.
If left untreated, the only remedy may be painful and scarring surgery.
Growth spurt
Girls approaching puberty who are adhering to traditional dress are also at risk, say experts, as more vitamin D is needed during this growth spurt.
In addition, modern GPs are so unused to seeing cases that the disease is often not recognised until the symptoms are far more advanced.
Gaznhar Din, whose son was eventually diagnosed, said: "I went to the local health centre - I told him that the child didn't walk - and that he had got no teeth.
"They told me he was probably a late developer."
Dr Zulf Mughal, from St Mary's Hospital in Manchester, described an case in which a young girl had to have operations to correct both the bones in both legs.
"She has been left with scars on both her legs, which is not pleasant," he said.
The level of sunlight experienced in the UK over between late autumn and early Spring is not enough in itself to protect darker-skinned children from rickets.
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