The aims are to understand why early life adversity, and social factors such as isolation and loneliness, are associated with diverse outcomes including mortality, physical functioning (health, functional ability), and psychological functioning (well-being, cognition), particularly in later life.

Participating Danish Studies

  • Longitudinal Study of Aging Danish Twins (LSADT)
  • Study of Middle-Aged Danish Twins (MADT)
  • Middle-aged Danish Twins (MIDT)


Funding is from National Institutes of Health Grant No. R01 AG037985.


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