Explainer
Background pieces that explain a concept or mechanism.
Do Multivitamins Do Anything for Energy or Stress?
The effects are small and real. The moderator finding underneath them says more about what people were eating than about what supplements do.
Does Exercise Actually Work as a Treatment for Depression?
The evidence is unusually large for a lifestyle intervention and its own authors rate their confidence in it as low. Both halves matter.
Do You Actually Need 10,000 Steps a Day?
The most famous number in health had no research behind it. The research that eventually arrived says something more useful and considerably less demanding.
Could Low Vitamin D Explain Why You Are Always Tired?
A clean result from a small trial, and a search for its replication that came back empty. What the fatigue research has done since, and where…
Does Stuffy Air Make You Worse at Thinking?
A headline finding that sounds too large to be true, a space agency study that could not reproduce it, and a review that locates the disagreement…
Is “Cortisol Face” Real? What High Cortisol Actually Looks Like
Cortisol is real, moon face is real, and the connection the trend draws between a stressful week and a puffy face is not what either of…
Is Writing Notes by Hand Better Than Typing?
Two famous findings, two published challenges, and a detail about the typing condition in the newer study that is hard to get past once you know…
Can a Sleep Tracker Make Your Sleep Worse?
Sleep clinicians started seeing patients who trusted their tracker over their own experience. The name they gave it, and why the data is weaker than it…
Do Omega-3 Supplements Actually Help You Think?
Contested findings at mostly low certainty, in populations aged 40 and over, measuring decline rather than the enhancement the bottle implies.
Does Office Temperature Affect How Well You Work?
One of the most repeated numbers in workplace science, reanalysed with double the data. The result was not a smaller effect but no detectable relationship.
Does Screen Time Actually Make You Miserable?
The original said adult evidence was thin. It is not thin any more, and what filled the gap sits awkwardly against the number everyone quotes.
Does Sleep Hygiene Actually Work?
Sleep hygiene is what you get told first. The evidence says it is what works least, and that the thing that works better is rarely offered.
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Tags cut across the four pillars, so a subject can be followed wherever it turns up.
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How these articles get written
Every claim is traceable to a named source, and where the evidence is thin that gets said rather than smoothed over. Read the research standards to see what a claim has to clear, or read about TorpidLife.