From Business Insider · Kim Schewitz · · 1m 40s
He has stage four colon cancer. AI gives him back some control
Russ Read-Barrow built a small set of AI habits to track chemo side effects, remember his consultant, and skip the medical admin.
In brief
Russ Read-Barrow built a small set of AI habits to track chemo side effects, remember his consultant, and skip the medical admin. You will not remember how treatment felt three months ago, so record it, then let AI find the pattern you are living inside. Originally reported by Business Insider.
Five years, stage four
Russ Read-Barrow, 43, a former PR director and father of two in the UK, was diagnosed in 2021 after seeing blood in his poop about six times in a few weeks.
Held, not cured
Chemo and surgeries on his colon, liver and lungs have stopped the spread since 2022. He still needs chemo roughly every three months to slow the growth.
“The chemo I'm having now is doing a good job of keeping it under control, but at some point that'll change”
A blog called FcancerwithAI
In 2025 he started sharing his story and the AI tools he built for himself. His pitch is modest on purpose: no cure, just less chaos.
“I'm not saying AI is going to cure cancer. I'm saying it's going to help me remember what my consultant said”
Why it matters now
Colon cancer in under-50s has climbed since the mid-1990s and is the deadliest cancer in that group, but early detection means more people live with it as a chronic illness.
Voice notes plus a WHOOP
He recorded a 30-second symptom note every day for three chemo cycles, added tracker data, and asked Claude to find the pattern. Day four was when he crashed.
“If you see that over time happening again and again, you can sort of deal with it better because you know it's going to come”
Ten things to remember
Before each new round he asks the AI for ten reminders from his own logs. One surfaced an anti-nausea drug that had worked and he had forgotten.
“You don't keep a record, you won't remember. You think you will, but give it three months and life will take over”
One hub for the records
He loaded his medical history into Gemini Notebook, pulls test results in seconds, and keeps a 500-word summary to hand over instead of retelling it all.
“I've got terminal cancer. What's the worst that can bloody happen?”
The key point
You will not remember how treatment felt three months ago, so record it, then let AI find the pattern you are living inside.


