More than 26 million American adults are estimated to have a food allergy, with shellfish reported as the top allergen, according to a new study by Northwestern University and Lurie Children’s Hospital.

There is no definitive test to diagnosis the progressive neurodegenerative disease. But that could change, thanks to new research that was able to accurately detect ALS and other neurodegenerative diseases using graphene.

The advocacy group Moms Clean Air Force warns that a Trump administration proposal to weaken standards for emissions of toxic mercury would harm residents and wildlife across Illinois. 

A new study links higher levels of key nutrients associated with the Mediterranean diet to more efficient brain connectivity and performance on cognitive tests in older adults. 

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.

A federal judge’s ruling puts the future of Obamacare on the line. Is the sweeping health care initiative again in peril?

After finding high levels of brain-damaging manganese near Watco Transloading’s facility on the Southeast Side of Chicago, the EPA has accused the company of violating the Clean Air Act. 

Watco Transloading faces up to $20,000 in city fines for failing to control emissions of brain-damaging manganese from its storage facility along the Calumet River. 

There is no cure for Ebola, the severe and often fatal illness that killed more than 11,000 people between 2014 and 2016. But researchers believe their discovery could pave the way for the development of an effective treatment.

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.

Water testing at homes in suburban Willowbrook is the latest step in the response to concerns over the release of dangerous ethylene oxide gas by Sterigenics International. 

As regulators continue to monitor manganese emissions at S.H. Bell Co., new air monitoring data shows alarming levels of the brain-damaging heavy metal near another industrial facility in the area.

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

The 2018 Leapfrog Top Hospital award recognizes 118 hospitals across the nation, including four in Chicago. Find out which ones made this year’s list.

After reports of a dangerous gas being emitted from several suburban industrial sites, U.S. Sen. Tammy Duckworth and other lawmakers have introduced a bill that would force the EPA to more quickly disclose similar public health risks. 

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.