hormesis


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hormesis

[′hȯr·mə·səs]
(biology)
Providing stimulus by nontoxic amounts of a toxic agent.
References in periodicals archive ?
toxicity increases as the dose increases) prevents scientists from accepting the biphasic dose-response patterns associated with hormesis.
State of research and perspective on radiation hormesis in Japan.
Luckey's and Mine's research spawned a worldwide interest in radiation hormesis, a term that Luckey popularized although it had been used earlier by non-radiation researchers in 1946.
It is unlikely that single end point hormesis would be quantitatively useful for toxics expressing multiple toxic effects in multiple organs and through multiple mechanisms.
In addition, findings based on the hormesis model are subject to tests using empirical data.
Rather, we argued that hormesis should not be assumed as universal.
OBJECTIVE: Because hormesis appears to be a relatively common phenomenon that has not yet been incorporated into regulatory practice, the objective of this commentary is to explore some of its more obvious public health and risk assessment implications, with particular reference to issues raised recently within this journal by other authors.
The occurrence of hormetic dose responses in the toxicological literature, the hormesis database: an overview.
OBJECTIVE: In this commentary I respond to points raised in the commentary by Mushak [Ad hoc and fast forward: the science and control of hormesis growth and development.
Radiation in very low dosage seems to produce a healing effect known as radiation hormesis.
The topics that Bethell illuminates include global warming, nuclear energy, background radiation, chemical hormesis (potentially beneficial effects caused by low-dose exposure to toxins), DDT, biodiversity and endangered species, the AIDS epidemic, cloning, stem-cell research, gene mapping, cancer research, the science-vs.
Toxicology and its subdiscipline, Hormesis, state that concentrations of the toxicants per se, high or very low, may elicit unpredictable (read individual) responses in the living.