The ongoing debate.

Recovery
Joints, tendons and the frozen shoulder: slower now, trained anyway.

Wearables
Oura, Garmin, Coros, Apple Health, Function Health, compared by a coach.

Cardio
Zone two, the walk that counts, and what heart rate is telling you at this age.

Strength
The case for lifting heavy, then the first program.

Supplements
Creatine, magnesium and the rest, read in the order the trials were run.

Diets and fads
What's nonsense this month, graded by one question: does it move a lever.

Fuel
Protein on the plate, at dinner, for a woman who slept four hours.