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.

A 10th case of a polio-like illness is diagnosed in Illinois. We discuss acute flaccid myelitis – and what parents should be on the lookout for – with Dr. Nirav Shah of the Illinois Department of Public Health.

An inexpensive drug for Type 2 diabetes also decreases the risk of heart attacks and strokes caused by air pollution, according to a new Northwestern Medicine study.

Flu season is right around the corner, and health officials are urging patients to get vaccinated in light of a new Centers for Disease Control and Prevention report that estimates 80,000 Americans died from the flu during the 2017-2018 season.

In the last two decades, only four drugs have been approved to treat Alzheimer’s symptoms, according to a new report. “I’m very optimistic that within 10 years we’ll have a breakthrough,” said Dr. Doug Williamson of biopharmaceutical company Lundebeck.

Despite the prevalence of Alzheimer’s disease, researchers, caregivers and advocates are optimistic about the future. “I see a treatment, it’s going to happen,” said William Klein, a professor at Northwestern University.  

A change in state law will ensure first responders are equipped with EpiPens. Meet the mother of the girl who inspired the legislation.

Federal officials are advising consumers to rid their fridges of salads and wraps linked to an intestinal illness that has sickened more than 600 people in Illinois since mid-May.

There are more and more cases of food poisoning in Illinois. What’s behind the problem – and how to protect yourself.