
Focus
Pol Grek
Brain on 100+
“100% brain” is marketing. Sharpness with age is a system — not a lottery.
An evidence-graded system for clarity and cognitive tone: what actually holds focus and memory, and what stays myth.
Grades A–D.
No “superhuman in a week.” Same line as Brain on 100+ on KDP.
- ⚡ Clarity over hype
- 🧬 Data next to myths
- 🔥 Zero “just try harder”
Sample on the site. Full text on Amazon / LitRes if it lands.
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Inside (no spoilers)
- Sleep, movement, blood pressure, sugar — main levers
- Night cleanup of the brain — without magic
- Cognitive reserve: build it, don’t wait for genes
- What quietly steals memory in a normal day
- 40 / 50 / 60+ — without “too late” panic