Why the More Effort You Put In, the Happier You Feel?——Nature's Latest Research Unlocks the Brain Code of "Effort Appreciation"
"The things you work hard for are more precious" is not just inspirational talk, but a neuroscientific fact! From ants to humans, organisms generally assign higher value to "high-cost rewards." In January 2026, a groundbreaking study by Eshel's team at Stanford University, pu