Threshold

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Related to threshold dose: Synergistic effect

Threshold

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2] are the log mean and log variance of the threshold dose.
Threshold dose and apical response cannot both be log normal.
For example, if the threshold dose is defined in terms of some continuous response as the dose that results in a response equal to 50% of the maximal possible response (Harris et al.
The threshold dose of MAM required to significantly reduce cortical thickness was clearly > 10 mg/kg, but doses as low as 1 mg/kg impaired plasticity.
Data are becoming available on threshold doses required to provoke an allergic reaction in previously sensitized individuals.
Factors affecting the determination of threshold doses for allergenic foods: how much is too much?
For endocrine-disrupting chemicals there are no threshold doses below which exposures are safe (Sheehan 2006), a reality that regulators are unwilling to acknowledge.
Hence, it is essential that patients with acute food allergies who have suffered in the past from problems such as circulatory disorders or shortness of breath should obtain information from allergologists and nutritional consultants regarding possible risk associated with concealed allergens resulting from manufacturing contamination or other factors, and should ascertain their specific threshold doses through provocation tests.
In addition, we found that combination of threshold doses of individual of the vitamins produced a synergetic inhibitory effect on thermal hyperalgesia.
2000; Pope 1999; Slotkin 1999), all of which occur with threshold doses below those required for growth impairment.
The threshold doses at which nonstochastic effects appear were based on these figures.