Radioactive water leaking from Illinois nuclear power plants, despite promised safeguards—an investigative reporter on what’s been done.

Records related to an April spill of a toxic metal into a Lake Michigan tributary have not been given to Chicago. The city is now threatening to sue U.S. Steel.

China’s most prominent environmental activist talks about the country’s pollution crisis.

Inspired by the song “My Shot,” from the blockbuster musical, actor Miguel Cervantes is challenging the public to take their “shot” and help raise awareness and funds to find a cure for epilepsy. 

The civil rights advocate announced Friday that he was diagnosed with the progressive degenerative disorder in 2015. 

More than 50 organizations are urging the Illinois congressional delegation to reauthorize funding for programs that provide health insurance to children and support for low-income and at-risk families, before it becomes a crisis in the state.

Many doctors have long believed the threshold for high blood pressure needed to be lower. On Monday, that change was made.

A new book from a Northwestern medical school professor delves into the history of the common—yet still mysterious—world of anesthesia.

Teen birth rates in Chicago have reached a new low, according to city officials. In 2015, there were 27.5 births per 1,000 girls ages 15-19, a 67-percent drop from 1999.

The biennial award is bestowed upon three promising researchers under the age of 45 making significant contributions to understanding the disease or improving treatments. 

The opioid epidemic in Illinois is more acute than in many other states, according to the National Safety Council. We discuss the crisis and a new memorial that highlights the human toll of opioid addiction.

A tech billionaire with a famous name talks about bringing his “real food” movement to the Windy City. 

Northwestern University scientists believe they may have found the “Achilles’ heel” of cancer. In a recent study, researchers were able to almost completely eradicate the disease in laboratory cell cultures.

Responding to local officials’ call for restrictions on opioid prescriptions, the American Dental Association outlines the steps it’s taking to address the opioid epidemic. 

This week, Chicago will see its first hard frost of the season—and that means it’s time to prepare our WTTW garden for winter. Organic gardener Jeanne Nolan leads the way.

Environmental advocates say a Southeast Side storage company violated city standards for air pollution earlier this year. But the company disagrees, asserting that the state’s more lenient law applies.