A new study revealed that Older siblings who had positive relationships with their younger siblings have fewer depressive symptoms and lowest levels of risky behaviors. Overall, the researchers observed that whereas siblings with negative relationships engaged in more risky behaviors. The study appeared in the International Journal of Behavioral Development.
In adults, previous studies have suggested that stress promotes habits and reduces cognitive flexibility. Psychologists from Germany's Ruhr University Bochum have revealed that the same is true for infants. While under stress, even infants are inclined to resort to habits, rather than try out new things. The findings were published in PNAS.
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