Food poisoning is a serious problem that never seems to disappear from the face of this earth. The problem does not choose people, places, even time, and can affect anyone, anywhere, and anytime, f…
Kekurangan elemen kelumit(trace element) yang meliputi defisiensi vitamin dan mineral seperti vitamin A,kalsium,yodium,besi,dan seng,menjangkiti sekitar 2 miliar manusia