Why Human Babies Evolved to Be So Dependent

Summary: Researchers are challenging the traditional view of human infant helplessness as a mere biological weakness. In a new paper, researchers argue that the unique combination of a highly developed…

Could an “Exercise Pill” Help Treat Depression?

Summary: It’s a cruel irony of mental health: exercise is a powerful antidepressant, yet depression often robs people of the motivation and energy required to move. A new paper proposes…

Serotonin Signals the Brain’s Best Guess About Future Rewards

Summary: A new study reveals that serotonin neurons in the brain may play a crucial role in helping us estimate the value of future rewards. Rather than simply responding to…