Training & Movement
How to actually raise the numbers the lifespan tests measure. Endurance, strength, balance and getting off the floor.
The training that has trials behind it, and plain warnings where popular advice has run ahead of the evidence.
The in-depth guides
Balance Training That Actually Prevents Falls
A doctor explains which exercise reduces falls and by how much, the three hours a week threshold, and why walking, vitamin D and medication reviews do not do it alone.
How Much Walking Is Enough? What the Step Studies Show
A doctor explains what daily step counts actually buy you, where 10,000 steps came from, why 7,000 may be the better target, and whether walking speed matters.
How to Improve Your VO2 Max, and How Much Is Realistic
A doctor explains what actually raises VO2 max, how much you can expect to gain, why the response varies so much between people, and where zone 2 fits.
Zone 2 Training: What the Evidence Actually Shows
A doctor reviews zone 2 training: what the label means, whether it builds mitochondria better than harder work, and why six definitions give six different heart rates.
Quick answers
Short, specific answers to the questions people actually type. Each one links back to the full guide.
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