Swathi on Instagram: "The Nun Study is a famous long-term psychology and health research that followed Catholic nuns who lived very similar lifestyles. Researchers studied the autobiographies the nuns wrote in early adulthood and later tracked their health and lifespan for decades. The study found that nuns who expressed more positive emotions in their early writings lived significantly longer and healthier lives, showing how mindset, emotions, and outlook can strongly influence aging and longev