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

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

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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.

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University of Chicago professor Chuan He (Lloyd DeGrane for the University of Chicago)

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

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Prescription pain pills are dumped out on a table. (U.S. Air Force photo illustration / Tech. Sgt. Mark R. W. Orders-Woempner)

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.

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(Courtesy of Square Roots)

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

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(Mike Mitchell / National Cancer Institute)

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.

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(David Kessler / Flickr)

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. 

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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.

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An overhead view of Watco’s storage terminal in Chicago at 2926 E. 126th St. (Google)

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. 

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Football may be America’s favorite sport, but with the rising fear of brain injury and CTE, it’s taken a bruising. We visit a Chicago-area helmet maker to see how it’s tackling the issue. 

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(Trey Ratcliff / Flickr)

After cutbacks at the EPA and skepticism within the Trump administration about climate change, the city of Chicago has made clear its intention to step up efforts to protect the environment.

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(The Javorac / Flickr)

Local officials call for restrictions on opioid prescriptions as Mayor Rahm Emanuel proposes a $500,000 investment to fight the opioid epidemic.

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Walgreens and CVS try to fend off competition from Amazon. Reporter Bruce Japsen joins us for a look at possible shifts in the pharmacy business.

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An overhead view of Watco's storage terminal at 2926 E. 126th St. in Chicago. (Google)

A Southeast Side company tipped off regulators to its own violation of city air pollution standards, documents submitted to the city show. 

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(Jeremy Atherton / Wikimedia Commons)

In an effort to fill a void created by federal and state agencies that have cut back environmental oversight, Chicago plans to expand its environmental enforcement division.