Mainly in developing countries, in rural areas and in the poorest communities, where it constitutes an important risk factor associated with the disease.
Zinc deficiency affects approximately one third of the world's population. Mainly in developing countries, in rural areas and in the poorest communities, where it constitutes an important risk factor associated with the disease. In developed countries we do not have this deficiency, but it is true that, if a very poor diet is taken, deficits of this mineral could occur.