Upon landing after long-duration spaceflight, astronauts often experience motion sickness and impaired performance in mission-critical tasks such as egress, navigating obstacles, jumping, and recovering from falls. These changes are mainly attributable to central adaptations in their vestibular system. Current inflight countermeasures, which primarily focus on strength and endurance, are insufficient for preparing astronauts for postflight recovery.
View Article and Find Full Text PDFInt J Hyg Environ Health
December 2004
Food irradiation is being promoted as a simple process that can be used to effectively and significantly reduce food-borne illnesses around the world. However, a thorough review of the literature reveals a paucity of adequate research conducted to specifically address health concerns that may directly result from the consumption of irradiated food. Consequently, there is considerable debate on the issue of health concerns from irradiated food among international agencies and between different nations.
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