over the long run the differences in hunger reduction across regions and countries are attributable to several factors inclusive economic growth generating demand for the assets controlled by the extreme poor has a much higher impact on hunger reduction in addition when poor households invest part of their increased income in health sanitation and education the impact of economic growth on hunger reduction is also stronger in parallel as seen in the case of bangladesh which is on track to reach the hunger target of millennium development goal higher public spending on health and education with targeted interventions increases nutritional success food and agriculture organization of the united nations b micronutrient deficiencies are also a result of undernutrition but in this case they are related to insufficient intake of vitamins and minerals an individual may take in enough or even too many calories for daily subsistence however if his or her diet is not diversified enough the result may be low levels of micronutrients a condition referred to as hidden hunger