why diversity in clinical trials matters...
“But until now the link between inadequate sleep and cholesterol had gone largely unnoticed. The new analysis hints at a reason why: The group didn’t see any correlation between sleep deficiency and cholesterol when they looked at the entire sample group as a whole. Rather, a trend emerged only when they isolated the black respondents. Three years ago, researchers at the West Virginia University School of Medicine found a similar sleep-cholesterol correlation among minorities, but that study lumped all nonwhites into a single category—“Other”—so the correlation couldn’t be tied to any one ethnicity.”
(emphasis added)
-- Skipping Sleep Might Raise Your Cholesterol -- But Only If You’re Black. (HB.SCI.U)
(h/t DNLee5 on Twitter)