Burqa-clad women prone to vitamin D deficiency: Doctors

[livingdead]

'15% exposure for 20-minutes a day' would suggest otherwise.

No, it suggests that they wear burqa when they have any opportunty of getting some sunlight, i.e. when outside for shopping or dropping their kids in school etc
It does not suggest they wear it 24 hours.

 

[Spring Onion]

how smart of the Indians.

Let us play the devil's role and replace the headline with another fact-based smarter one

"Vegetarians are prone to vitamin D deficiency": Doctors