Lack of nutrients causes nutrient Deficiency diseases.
People on modern world rarely intake foods.
Mostly they eat very less amount and often skip their breakfast.
They less amount of food they eat usually contains less nutrients that are not sufficient for metabolic activities of our body.
These causes diseases like Anemia,beriberi,night blindness,diabetes,scurvy,rickets,goitre,marasmus,Kwashiokar and many other diseases.
These diseases leads to several additional problems and can ruin ones life.