It is never too early to start. Whether you are fifty and watching a parent, or seventy-five and watching yourself, the most useful record of your mind is the one that began years ago.
You were not managing your cognitive health. You were living, and the two happened to be the same thing.
You did not need to think about cognitive health during the years you were building a career, raising a family, and staying connected to the world. The research shows your brain was being protected the whole time, through daily stimulation, structure, purpose, and the social connections of a full life.
The 2024 Lancet Commission identified 14 modifiable factors that together account for nearly half of all dementia risk. Most adults between 35 and 65 were quietly addressing the majority of them:
- Mental stimulation and new learning, through a career that demanded it every day
- Physical movement, through a life that required it without asking
- Social connection, through colleagues, community, and family
- Sense of purpose and challenge, through being needed, every single day
- Structured daily routine, through a schedule that was never optional
- Stress regulation, managed by a life that also held meaning and momentum
- Sleep quality and metabolic health, maintained through the ordinary rhythms of an active life
The assessment, given by one friend to another.
Comparing notes at the table.
Smiles came easily.

