A headline tells you a study happened. A brief tells you whether it should change anything. Every entry here carries a strength rating, the population it was studied in, and the parts that are still open.
Rated on a public scale · Uncertainty stated, not buried
Endurvity rates the weight of evidence behind a claim on four levels. The rating describes the state of the research, not how enthusiastic anyone is about the finding.
Consistent enough to act on. New studies are unlikely to reverse the direction of the finding.
Several randomized trials, or systematic reviews of them, agreeing across different research groups and populations.
Reasonable to act on if the action is low-risk. Expect the size of the effect to move as more work is published.
A smaller body of trials, or larger trials with limitations in size, duration, or how the outcome was measured.
Interesting, not yet a reason to change your routine. Worth watching rather than adopting.
Early trials, observational data, or mechanistic work that has not yet been tested against a real outcome in people.
Not enough evidence to say either way. A claim at this level should not be driving a decision.
Conflicting results, very small studies, or a question that has not been directly studied in the population being advised.
Each brief answers one question. The disclosures on the card are the same ones you get on the page, so you can decide whether to read further before you click.
Most misleading health coverage fails on a handful of predictable points: a correlation reported as a cause, a relative risk quoted without the absolute one, a mouse study described as a breakthrough, or a surrogate marker standing in for an outcome nobody measured.