Kwalejin Kimiyyar Lafiya da Ayyukan Jama'a

Kwalejin Kimiyyar Lafiya da Ayyukan Jama'a
Sakamakon fom yana samuwa ne kawai ga mai ƙirƙirar fom

Shin Vitamin D na iya yin tasiri mara kyau akan hawan jini mai yawa?