The First Cohort homepage — airy editorial magazine layout with large lead story and clean story grid below
Friday, June 13, 2026Evidence-led medical research news
The First Cohort
Medical research, with the receipts
Cancer
A Korean lab found cancer's DNA-repair off-switch. In a mouse.
A tool compound strips the DNA-repair proteins tumors use to dodge PARP inhibitors. Preclinical only — but the gap between treated and control animals is the story.
By Lena Marshall · 6 min read
Tumor clearance at 8 weeks
Also this week
Metabolic
Where your sodium actually comes from
Sarah Okonkwo · 5 min
Drugs & FDA
Europe had this sunscreen in 1999. The FDA approved it Tuesday.
Sarah Okonkwo · 4 min
Infectious Disease
A DoD-funded fentanyl vaccine is headed to Phase 1
Marcus Chen · 7 min
More stories
Brain & Aging
The Alzheimer's drug that bets the plaques are a symptom
Sarah Okonkwo · 5 min
Autoimmune
Fish oil rewired the T-cells in non-obese diabetic rats
Sarah Okonkwo · 4 min
Nutrition
The thin trial behind England's next supermarket-layout mandate
Marcus Chen · 6 min
Investigations
Investigation
A Senate subcommittee just put the COVID-shot cancer question on the record
Eight months of subcommittee work, one public hearing, and a question that wasn't asked on the Hill until now.
Marcus Chen · 8 minInvestigation
The $401 CBC and the $32 CBC are the same test
Same CPT code. Same machine. Thirty-three dollars or four hundred and one, depending on which door you walk through.