Medetomidine is replacing xylazine in Philly street fentanyl − creating new hurdles for health care providers and drug users

Philadelphia’s street opioid supply – or “dope” market – is constantly changing. As health care workers and researchers who care for people who use drugs in our community, we have…

Fewer deaths, new substances and evolving treatments in Philly’s opioid epidemic − 4 essential reads

In Philadelphia, fatal overdoses are the No. 3 cause of death after heart disease and cancer. That’s been the case each year since 2016, except in 2020 and 2021 when…

Colorado and other states have expanded access to abortion, but not for adolescents

Since 2022, Colorado and 10 other states have passed voter initiatives to protect or expand abortion access. Yet, seven of these states, including Colorado, require people under the age of…

Knocking down abandoned buildings has a lot of benefits for Detroit − but it’s costly for cities

Few cities have experienced a sharper economic change of fortune than Detroit. It was one of the fastest-growing cities in the nation between 1900 and 1950. In the nearly 75…

Philly’s street fentanyl contains an industrial chemical called BTMPS that’s an ingredient in plastic

As much as half of the fentanyl sold on Philly’s streets contains an industrial chemical used in plastics manufacturing. That’s according to our November 2024 testing of fentanyl samples collected…

Many more Denver teens have experienced homelessness than official counts show

Denver saw an increase in youth homelessness from 10% to 25% between 2017 and 2021, according to our study recently published in the peer-reviewed journal “Pediatrics.” We are two physicians…

Colorado is tackling air pollution in vulnerable neighborhoods by regulating 5 air toxics

The Globeville, Elyria-Swansea and Commerce City communities in metro Denver are choked by air pollution from nearby highways, an oil refinery and a Superfund site. While these neighborhoods have long…

How medical treatments devised for war can quickly be implemented in US hospitals to save lives

For decades, military doctors faced a critical challenge: What’s the best way to safely and effectively deliver oxygen to patients in remote combat zones, rural hospitals or disaster-stricken areas? Oxygen…

How opioid deaths tripled in Philly over a decade − and what may be behind a recent downturn

After nearly a decade of almost year-over-year increases in overdose deaths, the tide may finally be turning in Philadelphia. The Centers for Disease Control and Prevention announced in May 2024…

Bird flu flares up again in Michigan poultry – an infectious disease expert explains the risk to humans, chickens, cows and other animals

After a relatively quiet fall, there’s been another spike in cases of bird flu in Michigan. When state officials announced on Dec. 16, 2024, that bird flu had been found…