Phrases with «white participants»

And they found that in white participants, each stressful event added about a year and a half to normal brain aging. (npr.org)
They analyzed data from two study groups of white participants. (consumerhealthdigest.com)
Among the study's limitations were the absence of a placebo group that could pinpoint the sources of side effects, and a lack of racial diversity, with 88 percent white participants. (sciencedaily.com)
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