The First Cohort homepage — evidence-led medical research news in a classic broadsheet layout with lead story, secondary rail, latest stories river, and investigations strip
Friday, June 13, 2026 · Evidence-led medical research news
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.
Lena Marshall · 6 min read
Tumor clearance at 8 weeks
Source: Kim et al., preclinical mouse model, 2026
Also today
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
Brain & Aging
The Alzheimer's drug that bets the plaques are a symptom
Sarah Okonkwo · 5 min
Newsletter
The Sunday Cohort
One weekly dispatch. The stories that held up.
Latest
Autoimmune
Fish oil rewired the T-cells in non-obese diabetic rats
Sarah Okonkwo · 4 min
Cancer
ALTAIR missed its endpoint. The press tour found something else.
Lena Marshall · 7 min
Nutrition
The thin trial behind England's next supermarket-layout mandate
Marcus Chen · 6 min
Investigations
A Senate subcommittee just put the COVID-shot cancer question on the record
Marcus Chen · 8 min
The $401 CBC and the $32 CBC are the same test
Lena Marshall · 5 min
A 16-foot fire tornado burned an oil slick with 40% less soot