Here's my regular Claude prompt:

5 bullet points, make sure I fully understand everything in 5 bullet points:

(My deliberate buzzfeedification of the Internet)

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- Brain aging isn't linear - it follows an S-curve with key milestones: onset ~age 43, fastest decline ~age 61, then plateau.

- Insulin resistance drives it - metabolic problems (high blood sugar) appear first in midlife, before vascular or inflammatory issues.

- Neurons can't use glucose but could use ketones - gene analysis shows aging brain regions have high insulin-dependent transporters but also ketone transporters.

- Ketones reverse aging effects, but only ages 40-60 - ketone supplements significantly helped younger/middle-aged brains but did nothing for 60+ year olds.

- There's a critical intervention window - the 40s-50s appear to be when neurons are stressed but still saveable, suggesting early metabolic treatment could prevent dementia.