Dozens of Chicagoans trained to recognize and respond to opioid overdoses in their communities have distributed more than 7,000 naloxone kits across the city since March.

Within the past week, the Illinois Department of Public Health has identified six new cases of hepatitis A, including two in suburban Cook County. Health officials say the newly infected individuals are among those at greater risk for the illness.

It’s been 30 years since the first commemoration of World AIDS Day. We take a look at promising treatments, and some stark statistics.

Adults in Chicago think drug and alcohol abuse, obesity and depression are among the top 10 health problems facing the city’s youth, according to a new citywide survey.

Last week, the Food and Drug Administration said people shouldn’t eat any romaine because of an E. coli outbreak. Now, it says it’s OK to eat some romaine lettuce again. Just be sure to check the label.

The debate gained new urgency this week with the shooting death of Dr. Tamara O’Neal outside Mercy Hospital, as physicians argue shootings are a public health crisis that they must play a key role in trying to stem. 

Health officials in the U.S. and Canada told people Tuesday to stop eating romaine lettuce because of a new E. coli outbreak. Two people in Illinois have tested positive for this same outbreak strain. 

Air pollution’s impact on life expectancy exceeds that of communicable diseases such as AIDS, cigarette smoking and even war, according to a first-of-its-kind study from the University of Chicago.

The city of Chicago plans to file a lawsuit Tuesday against a handful of retailers caught illegally selling e-cigarette products to an underage Chicago resident as part of an undercover sting.

Despite documented benefits of breastfeeding, only about half of American mothers breastfeed their infants through the first six months of their life. A new study seeks to find out why. 

City officials were aware of data that showed elevated lead levels in the water of homes that had recently had water meters installed, according to a 2013 study by the city’s Water Department and the U.S. EPA.

Caring for patients is a vital part of the medical school experience. Armed with knowledge and backpacks full of supplies, a group of students is taking its skills to the streets of Chicago.

Las Vegas residents donated nearly 800 units of blood after last year’s mass shooting, but new research shows that many of those donations weren’t needed – and some even went to waste.

The Chicago Police Department will outfit officers in a half-dozen South and West Side districts with an opioid overdose-reversal medicine as part of a $2 million federal grant.

Each year, an average of 73 Illinois women die within one year of pregnancy, according to a new report. “The findings are stark and speak volumes,” said IDPH Director Nirav Shah. “The disparities are even more alarming.”

The older brother of Mayor Rahm Emanuel spoke about the “tremendous impact” of the Affordable Care Act and related topics at a conference in Chicago on Thursday.