Crosswords don't build a tougher brain — sustained, harder challenges do. Pick something genuinely new. Practise daily. Make it harder every few weeks. Start with the top 5 below.
It must be new and get harder over time. The strongest evidence is for instruments and language — a 2025 Australian study of ~11,000 adults found playing an instrument linked to 35% lower dementia risk. Bilingualism delays Alzheimer's symptoms by 4–5 years on average.
Crafts, visual arts, and complex strategic games count too. What doesn't work: the same crossword every day, brain training apps that just make you better at the app. The benefit comes from being slightly out of your depth and pushing through.
Short daily practice beats long weekly sessions. It's the consistency — not total hours — that builds the structural changes in your brain.
Pick a fixed time. Treat it as non-negotiable. Missing two or more days in a row breaks the consolidation cycle — you'll lose ground each time.
Once something feels easy, your brain has already adapted. Repeating it at the same level gives diminishing returns.
Every 2–3 weeks: step it up. A harder piece of music. A new grammar tense. A more complex stitch. A bigger word target. If it doesn't feel a bit uncomfortable, it's not building reserve.
Reading complex material lights up a wide network — language, attention, working memory, and the part of your brain that runs the show (executive function).
Fiction with twisty plots. Non-fiction outside what you already know. Long-form journalism. Comfortable reading doesn't give the same workout. Push slightly past easy.
Real conversation — debating, analysing, explaining your thinking — is one of the most cognitively demanding things you can do. It pulls on memory, reasoning, and reading other people, all at the same time.
It's badly underrated compared to formal "brain training." Call someone who challenges you. Engage in a disagreement. Don't just chat — think out loud.
Your baseline tests are validated tools used in dementia research. They check processing speed, working memory, language, and reaction time.
Your scores are a starting point — not a judgment. You'll repeat them at Month 6 and Month 12 to see how the program is shifting things.
Each week, score your mental sharpness, memory, and concentration on a 1–10 scale. Note what was different — sleep, stress, exercise, food, social contact.
Over a few months, patterns specific to your body and life will emerge. The act of tracking is itself good for your brain — it's a form of self-awareness.
Most brain-training apps don't have evidence behind them. BrainHQ's "Double Decision" task is the exception. A 20-year follow-up of the ACTIVE trial (published February 2026) found 25% lower dementia rates in people who used it — with each extra session cutting risk by another 10%.
It's the strongest evidence for any specific brain-training program. Caveats: the trial was on people 65+, and the researchers have a financial link to the company. Worth trying alongside everything else, not instead of it.
A 2024 brain-imaging study found handwriting produced richer brain connections than typing — particularly in memory areas. It uses fine motor skill, spatial thinking, and language all at once.
The honest caveat: all the studies have been on young adults and children. We don't have long-term data showing handwriting in midlife prevents decline. Treat it as a good option, not a proven prevention tool.
Cognitive reserve is your brain's ability to keep working well even when age-related changes start happening underneath. Think of it as a backup system — extra connections and pathways that let your brain route around damage.
You can't store it in advance. You can't buy it in a pill. It's built daily, across a lifetime, by the choice to keep stretching yourself.
The honest truth: most cognitive training only makes you better at the exact task you trained on. This is called "near transfer." If you train memory games, you get better at memory games — not at remembering where you put your keys.
The exception is speed-of-processing training (BrainHQ Double Decision) — see action #8 in the More section.
The bigger gains come from sustained, novel, hard activities woven into your life — not from 10 minutes of an app.
Exercise is the most powerful amplifier of cognitive training. Hard exercise releases a brain growth factor called BDNF, which stays elevated for 1–2 hours afterwards.
Practice your instrument, language, or skill within 1–2 hours after exercise. The two stack — you get more from each than either alone.
Month 6 — Cognition and Brain Health. The deep-dive on how lifestyle shapes brain structure, and how to build a personal cognitive challenge plan you'll actually keep.
If you start your chosen activity now, you'll arrive at Month 6 with months of foundation already built — and the data from your weekly tracking will mean something.
reMYnd is a prevention program, not a clinical treatment. If you're noticing genuine memory or thinking changes that worry you, raise them with your GP — early assessment matters. © reMYnd by Naomi Ferstera — remynd.com.au