Curiosity Weekly And Just Like That, You Have Nostalgia
Aug 13, 2025
Discover the intriguing connection between genetics and how long babies cry. Dive into the psychology of nostalgia with insights from experts on its power to boost mood and personal growth. Explore how reflecting on cherished memories fosters hope and enhances social connections. Learn about the bittersweet nature of nostalgia as a coping mechanism for insecurities. Finally, uncover the fascinating relationship between juggling and neuroplasticity, revealing how this skill can transform your brain.
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Genes Influence How Much Babies Cry
- A Swedish twin study found genetics explain ~50% of crying duration at 2 months and ~70% by 5 months.
- Heritability indicates baseline tendencies, not complete genetic determinism of crying behavior.
Interpret Genetic Claims Carefully
- Don’t let catchy headlines overstate scientific findings about genetics and crying.
- Treat the study cautiously because it relied on about 500 parents filling questionnaires while caring for twins.
Nostalgia Produces Forward-Looking Benefits
- Nostalgia boosts mood, self-esteem, social connection, and inspires prosocial behaviors.
- Lab tasks (writing/listening) show nostalgic reflection increases optimism and willingness to volunteer or donate.
