Vitamin D deficiency creeps up on people, and causes all sorts of health problems to their bones, to their gradual decay of their immune systems, or loss of immune function, and probably some problems with their mood and health, their mental health.
Kekurangan vitamin D merayapi manusia dan menyebabkan segala jenis masalah kesehatan pada tulang mereka hingga penurunan bertahap pada sistem kekebalan tubuh atau hilangnya kekebalan tubuh dan mungkin beberapa masalah dengan suasana hati dan kesehatan mereka, kesehatan mental mereka.