HEALTH KNOWLEDGE, FOR EVERYDAY QUESTIONS
Understand health.
One question at a time.
How to start exercising, understand your sleep, or compare supplement claims. Get a clear explanation, see the sources, and consider your next step.
96 free lessons · No account needed · English & Chinese
START WITH WHAT IS ON YOUR MIND
A useful place to start. Free.
How much exercise per week—and how should beginners start?
Starting to exercise? Understand the weekly picture.
Read the lessonHow much sleep do adults need: is 6 hours enough?
Is six hours enough? Put the guidance in context.
Read the lessonVitamin D for stronger bones: why did a large fracture trial find no benefit?
Vitamin D: what did the research actually test?
Read the lessonPAID COURSE · STRENGTH FOUNDATIONS
Understand the movement.
And the decisions around it.
For readers new to strength training who want to understand movement and programming concepts. Follow the questions in order, then return whenever you need a reference.
- All 12 lessons in English and Chinese, including every chapter after the preview
- A self-check and explanation in each lesson
- Save full reading notes as TXT; print lessons or save them as PDF
Learn a squat through sitting and standing
Start with the open preview. Decide whether you want the complete lesson.
- 01Set up a reliable baseFree preview
- 02Down and up are both part of the exerciseFull lesson
- 03Breathing and common difficultiesFull lesson
- 04Choose a variation for its purposeFull lesson
- 05Read the three stages, not one frozen postureFull lesson
- 06Compare a chair rise with a squat to a targetFull lesson
More questions to come back to.
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