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Study Links Toxic Relationships to Accelerated Aging

3/9/2026

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Story summary
  • A study in the Proceedings of the National Academy of Sciences links difficult relationships, dubbed "hasslers," to accelerated biological aging.
  • Researchers analyzed data from more than 2,000 adults and found that each additional hassler increases aging pace by 1.5%.
  • Professor Luke O’Neill from Trinity College notes that each hassler could shorten life expectancy by about nine months.
  • The study urges setting boundaries and engaging in healthy activities to mitigate stress.