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Science8 min readJune 22, 2026

Train your brain: what actually works

Brain training claims are famously overblown. Here's what the research actually says — and what puzzles can honestly do for you.

The brain-training industry has a marketing problem: it claims too much. Playing puzzles will not raise your IQ or delay dementia by ten years. But there are real, more modest benefits — and they're worth taking seriously.

Focus is a skill

Sitting with a small, well-formed problem for five minutes a day is quietly counter-cultural. Most software wants to break your attention. Puzzles ask for it, briefly and completely.

The ritual matters

The research is clearest on habits. A short daily practice — the same time, the same format — builds calm, focused attention over weeks and months. The specific game matters less than the ritual around it.

Choose well

Pick puzzles you enjoy. That's it. Enjoyment is the only reliable predictor of whether you'll actually return tomorrow.

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