Topic
Maqui Berry: What the Evidence Supports, and What It Doesn't
A Chilean berry with unusual anthocyanin levels is drawing research attention. Most of the evidence so far comes from lab dishes and mice, not people.
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Studies
Topic
Heterogeneity in Meta-Analyses: When Studies Point in Different Directions
I-squared tells you how much of a pooled result rests on studies that genuinely disagree. Here is how to read it before you trust the headline number.