Brain Health, Written Plainly

What the evidence supports, what it does not, and the things worth doing that nobody can sell you.

Brain Health at Every Age

What actually changes between forty and eighty, and which single item belongs at the top of the list in each decade.

Healthy aging  ·  7 min read

Exercise and the Ageing Brain

What kind of movement, how much of it, and why the step count on your wrist is the least interesting number involved.

Movement  ·  6 min read

Blood Sugar and the Two O'Clock Fog

What a large fast-digesting lunch does to the next two hours, and where the popular version of this story overshoots.

Everyday focus  ·  5 min read

Deficiencies Worth Ruling Out First

Four deficiencies that produce genuine cognitive symptoms, who is most likely to have them, and what the test is.

Before you buy  ·  6 min read

Why Crosswords Are Not Enough

The transfer problem, what the big training trials found, and the activity that does seem to generalise.

Worth knowing  ·  5 min read

Stress, Cortisol and Forgetting

What sustained stress does to encoding and retrieval, and why this particular cause tends to reverse.

Worth knowing  ·  5 min read

Hydration and Concentration

What mild dehydration actually does to attention, and which of the popular claims are invented.

Everyday focus  ·  4 min read

The Afternoon Slump, Explained

Why the dip exists, the four things that deepen it, and the intervention that actually works.

Everyday focus  ·  5 min read

Attention Is Not Memory

Why half of what feels like memory failure is an attention problem, and why that changes what to buy.

Everyday memory  ·  6 min read

Does VapoCept Work? An Honest Look

The evidence behind each of the six, what it supports, and the realistic answer rather than the flattering one.

Brand  ·  7 min read

Daily, or Only When You Need It?

Which ingredients need accumulation, which act on the day, and whether cycling off is anything other than a marketing idea.

Routine  ·  5 min read

Six actives, all named.

If you came here to find out what is genuinely in the capsule, the rest of this site exists for that — including the two ingredients with no cognitive research behind them.

See all six ingredients