How Vitamin D, the “sunshine vitamin,” becomes essential in space.
Regarding space fare, astronauts frequently complain that “the food …lacks a certain crunch,” and consequently seems less fresh. What if there were simple ways to enhance the perceived freshness of foods, increasing enjoyment? “Freshness,” as it turns out, is correlated with enhanced sound, even in non-perishable foods.
Menu Fatigue, an offshoot of Sensory Specific Satiety, is a physiological response that keeps individuals from wanting too much of any particular food. When considering space travel, which is already limited in menu variety, it’s an issue that will need to be dealt with if longer missions are going to be successful.