Dr. John Campbell: the videos Hacker News recommends
Not the channel's most viewed videos: the ones HN commenters kept linking with real commentary. The top pick, "Vitamin D and Immunity, Lots of Evidence", cited in COVID-era threads as a physician's evidence-based argument that vitamin D is cheap, low-risk and worth considering.
- 2 HN recommenders 2 months 2020–2021explainerCited in COVID-era threads as a physician's evidence-based argument that vitamin D is cheap, low-risk and worth considering.
Questions
Which Dr. John Campbell video does Hacker News recommend most?
Vitamin D and Immunity, Lots of Evidence: recommended in 2 different months by 2 HN users between 2020 and 2021.
Is this every Dr. John Campbell video?
No. Only videos that at least three different HN users linked, in at least three different months, with at least a sentence of their own commentary. That filter is what makes the list useful.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.