Assess the Following as Probably , as Probably , as Requiring

Short Answer

Assess the following as probably , as probably , as requiring further documentation before judgment, or as a claim that cannot properly be evaluated. Consider both the nature of the claim and the source.
"By age 30, roughly a quarter of men and women have discernibly graying hair. Even so, only 28 percent of us ever become completely white haired."
-Lowell Ponte, Reader's Digest