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Developing sciencefor a safer more sustainable world. The Health and Environmental Sciences Institute HESI is a nonprofit institution whose mission is to collaboratively identify and help to resolve global health and environmental challenges through the engagement of scientists from academia government industry NGOs and other strategic partners. Events News Publications Addressing todays health safety challenges Food Safety A safe and sustainable food supply is critical to global health. HESI advances food safety by developing and sharing the science of food and ingredient allergenicity toxicity and exposure assessment.