Mercy has opened a nearly 43,000‑square‑foot Kids Center for Neurodevelopment in Chesterfield that centralizes autism diagnosis, therapy and NICU follow‑up for the St. Louis region.

Federal data and new studies show breast cancer diagnoses are rising in younger women while overall deaths fall. St. Louis experts urge focused screening and risk checks.

St. Louis County officials say medetomidine — called "rhino tranq" — has been detected in local street drugs, and its sedative effects may not be reversed by naloxone alone.

Missouri DHSS and the State Highway Patrol warned that ultra‑potent nitazenes are being detected in pills, vapes and powders. Officials posted step‑by‑step naloxone and rescue‑breathing guidance.

A WashU study links the uMAT‑R app to about 50% lower 30‑day illicit drug use among people without stable housing, suggesting a low‑barrier recovery touchpoint across Missouri.

Franklin County’s health clinic has started giving monthly Vivitrol (naltrexone) injections to residents at little or no cost, expanding local medication‑assisted treatment access.

Missouri confirms its first clade I mpox infections — two travel-related cases in St. Louis. Officials say public risk is low and urge vaccination for those at risk.

Food & Water Watch mapping shows counties that spray the most glyphosate often have higher late‑stage non‑Hodgkin lymphoma rates, concentrated in the Upper Midwest.

Consumer Reports and federal data uncovered PFAS, coal‑tar dyes and hidden phthalates in everyday cosmetics. Here’s what St. Louis shoppers should check now.

A St. Louis County lab called Project Eagle Fang tests anonymously submitted street‑drug samples and posts monthly results showing fentanyl, tranquilizers and other unexpected contaminants.

Community testing found E. coli in Cahokia Heights tap water, renewing concerns about sewage flooding and prompting calls for regulator action. Residents say they’ll keep using bottled water until tests and fixes follow.

Principia School says unvaccinated students without proof of immunity must stay home for about three weeks after a chickenpox outbreak on campus.

A late-winter flu surge is keeping ERs busy and sickening schoolchildren across St. Louis County; county data show high weekly case counts and multiple school outbreaks.