Vitamin A deficiency is a major health problem in Africa and in many other developing countries. Biofortified staple crops that are high in pro vitamins A and adapted to local growing environment have the potential to reduce the prevalence of vitamin A deficiency. One such example is the...

The mycotoxin fumonisin is associated with oesophageal cancer and birth defects. The Eastern Cape province of South Africa has high levels of fumonisin in maize and oesophageal cancer. This study measures the amounts of the mycotoxin fumonisin in the grain of Bt maize, commercial hybrids, and...

Anticipating the impact of changes in economic incentives on dietary quality and nutritional health requires knowledge of how physical quantities of food consumed respond to price and income variations. A problem arises, however, because physical quantities are: 1- not consistent aggregates in...

The relationship between socioeconomic status and health is dynamic and evolves throughout the adult life course. However, relatively little empirical attention has been directed to the role of health affecting lifestyle choices in explaining these dynamics. Using Norwegian repeated...

This paper investigates the effects of network based individual social capital on the access of rural households to services. In the context of development economics, an innovative data collection approach is used to determine network based social capital. The approach originates from the field...

Replaced with revised version of paper 08/24/09.

This paper examines the high value chains (HVC) for green bean exports from Africa to identify the critical points at which exporters exercise great caution in preventing produce contamination with pathogens and pesticide residues. It then examines the control points that pose greatest threat to...

Visual presentation for the 2012 IAAE triennal conference.

Past studies highlight harmful effects of using pesticides and untreated wastewater on farmers’ health in agriculture. However, none of the studies explore these sources to determine the magnitude of deleterious health effects simultaneously. Vegetable growers in peri-urban areas of developing...