Summaries
Research summaries by topic
For a handful of important health topics, we pull together the latest research and where the evidence currently stands — in plain language, with the key studies cited so you can dig deeper.
Creatine
The most researched sports supplement there is — and the evidence now reaches well beyond the gym, into the brain.
Read summaryDaylight
Why regular exposure to natural daylight is one of the most underrated levers for your health — far beyond vitamin D.
Read summaryMagnesium
Involved in hundreds of reactions across the body — with the strongest everyday case for blood pressure, blood sugar and, more tentatively, sleep.
Read summarySleep
Not downtime, but active maintenance for the brain, heart, immune system and metabolism — and one of the strongest predictors of long-term health.
Read summaryZinc
A small mineral with an outsized role in immunity, skin and healing — and one many people quietly run low on.
Read summary