Saturday, July 4, 2026 Evidence-led medical research news
The First Cohort
Medical research, with the receipts

children

2 stories tagged "children"

Infectious Disease

Against Omicron, a Second COVID Dose Added Almost Nothing for Kids Who Were Already Infected

In Austria's own registry, one dose protected previously infected people slightly better than two; in children against the omicron they actually faced, the second dose's benefit could not be told apart from zero. The guidance never moved.

Brain & Aging

Lead Strips Dopamine From the Exact Brain Circuit ADHD Drugs Are Built to Rescue

Childhood lead keeps landing on the same target: the striatal dopamine circuit that ADHD drugs are built to rescue. A Philadelphia cohort just tied it to real diagnoses, not test scores.