english: 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.
non_english: Nedostatak vitamina D se prikrada, i izaziva sve vrste zdravstvenih problema u njihovim kostima, do postepenog razaranja njihovog imunog sistema, ili gubitka imunih funkcija, i verovatno nekih problema sa njihovim raspoloženjem i zdravljem, njihovim mentalnim zdravljem.