Oona Zenda, Author at KFF Health News

Feds Launch Criminal Investigation Into ‘AGGA’ Dental Device and Its Inventor

KFF Health News and CBS News recently reported that multiple lawsuits allege the device has led to grievous injuries to patients’ mouths, resulting in loss of teeth.

By Brett Kelman and Anna Werner, CBS News Illustration by Oona Zenda

April 12, 2023

A digital illustration, in pencil and watercolor, about the mental health effects on youth who experience gun violence. A repeating pattern made out of handguns close in on a young boy, who is at the center of the drawing. He covers his face with his hand s, an anguished expression visible on his face. A line of thin red circles are layered across the horizontal center, symbolizing cycles of trauma.

Pandemic Stress, Gangs, and Utter Fear Fueled a Rise in Teen Shootings

With their brains still developing and poor impulse control, teens who carry firearms might never plan to use them. But some do.

By Liz Szabo Illustration by Oona Zenda

March 14, 2023

An illustration shows an octopus holding medical facilities in its tentacles, surrounded by dollar signs. Text reads, "Private equity in health care."

Patients for Profit: How Private Equity Hijacked Health Care

How Private Equity Is Investing in Health Care: A Video Primer

Investors are putting money into everything from emergency room obstetrics units and dermatology practices to nursing homes and hospice care — from cradle to grave.

By Hannah Norman and Oona Zenda

Oct. 26, 2022

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Morning Briefing

CDC 'Encouraging' But Not Requiring Cruisegoers Exposed To Hantavirus To Isolate At Home

CMS Freezes Medicare Home Health, Hospice Provider Sign-Ups For 6 Months

US Drug Overdose Deaths Continue To Fall, Dropping Nearly 14% In 2025