Medical Dictionary

hormesis

noun hor·me·sis \ hȯr-ˈmē-səs \

medical Definition of hormesis

:a theoretical phenomenon of dose-response relationships in which something (as a heavy metal or ionizing radiation) that produces harmful biological effects at moderate to high doses may produce beneficial effects at low doses
  • Others argue that tiny doses of radiation are not harmful. Some scientists even claim that low doses, by stimulating DNA repair, make you healthier—an effect known as hormesis.
  • —Dennis NormileScience20 May 2011

hormetic

play \-ˈmet-ik\ adjective

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