diets. is it more focused on health or more focused on tasting good and providing some comforts of home? so that s a delicate balance. we actually really strive to do both. so there are many items that we ve had on the menu that were great tasting items, but recently we ve had a big sodium reduction. reporter: astronauts consume some 3,000 calories a day. that takes into account two hours a day of exercise. it s also because time spent in weightlessness requires more energy. your body is never truly at rest. so we have better data in terms of how food actually impacts the body than what you ll probably get from a treft yal study. are you ready to try this? absolutely. that s kind of cool. so here we have the indian fish curry.