Negative social ties as risk factors for accelerated aging and inflammation https://www.pnas.org/doi/full/10.1073/pnas.2515331123 Researchers have found evidence of what many of us always suspected: ‘hasslers’ shorten your lifespan https://www.theguardian.com/science/2026/mar/09/now-we-have-proof-dealing-with-difficult-people-really-does-age-you Dealing with difficult people really does age you