Beginner Friendly
Entry-level guidance assuming no prior knowledge.

Is Dry Air the Reason Your Eyes Hurt at Work?
The mechanism is well described and measurable. The obvious fix is where the evidence gets awkward, and the work itself is part of the cause.

How Much Does One Bad Night’s Sleep Actually Cost You?
The effects of sleep loss are not uniform, and the pattern of what suffers most is more useful than knowing that something does.

Does Office Lighting Actually Affect How Alert You Are?
A daylight study with striking results, two brightness studies that found almost nothing, and a distinction between them that explains the field.

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…

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.
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How these articles get written
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