When a group of people values practices and beliefs this known as

That is a blurry picture but I'm pretty sure your answer should be culture. (Hope this helps! ^-^)

this theme is harry potter a fictional story there are movies and books about this in the beginning of this adventure.

lab rats that ate more artifical sweeter gained more weight than those who ate sugar and they had “lower levels of a hormone called glp-1, which affects how full we feel.”