Dangerous doses*

Part 1: In a unique collaboration, the Chicago Tribune and top scientists uncovered drug combinations linked to a serious heart condition.

Part 2: Half of pharmacies fail to alert customers about serious drug interactions.

Part 3: Becki Conway went to a doctor for help. He put her on two medications. Soon she was fighting for her life.

Reporting sparks scientific papers

Impact and reaction

*Pulizer Prize finalist for Public Service, 2017

Tainted toys*

Testing by the Chicago Tribune finds many products are violating the safety limit for lead, prompting stores to pull them from shelves.

Impact and reaction

*Part of Pulitzer Prize winner for Investigative Reporting, 2008

Deadly Alliance*

Part 1: The U.S. government and the weapons industry knowingly allowed workers to be exposed to unsafe levels of the toxic metal beryllium, resulting in dozens of deaths.

Part 2: Industry and defense officials twist a proposal to protect beryllium workers into a secret deal protecting themselves.

Part 3: The nation's leading producer of beryllium has misled workers, regulators and the public about the risks.

Part 4: A beryllium producer tries to control how doctors, scientists and the public view the metal.

Part 5: The final days of Marilyn Miller, who contracted beryllium disease while working as a secretary in a beryllium plant.

Part 6: Public officials are quick to give a beryllium producer tax breaks.

Impact and reaction

*Pulitzer Prize finalist for Investigative Reporting, 2000

Playing with fire*

Part 1: A deceptive campaign by industry brought toxic flame retardants into our homes and into our bodies.

Part 2: How big tobacco and its inside man steered a group of fire officials to push flame retardant furniture.

Part 3: The chemical industry distorts science to promote flame retardants, downplay the health risks.

Part 4: Flame retardants get a pass from regulators with little assessment of potential health risks.

Part 5: Testing for Tribune finds flame retardants linked to cancer in some popular baby mattresses.

Part 6: On the defensive, the chemical industry turns to the questionable conclusions of a friendly scientist.

Impact and reaction

*Pulitzer Prize finalist for Investigative Reporting, 2013

Final hours of Jeremiah Clark*

Part 1: For two days, a 9-year-old boy with profound disabilities grew mortally ill. No one at his care facility called for help.

Part 2: How 13 children with disabilities died at a Chicago care facility.

Impact and reaction

*Pulitzer Prize finalist for Investigative Reporting, 2011

Drugged without cause

Part 1: Psychotropics are given to nursing home residents without cause.

Part 2: No penalty for doctors who drug the elderly.

Impact and reaction

A prolific prescriber

Part 1: A trail of complaints follows Dr. Michael Reinstein, who dispenses a risky antipsychotic drug at a high rate.

Part 2: A drug company paid a psychiatrist nearly $500,000 to promote an antipsychotic despite its doubts about him.

Impact and reaction

Allergy threat

Part 1: Children with food allergies are suffering life-threatening reactions because manufacturers mislabel their products and mislead consumers.

Part 2: Whole Foods' handling of chocolate bar shows how warnings fail.

Part 3: A Chicago Tribune review of products leads companies to pull items from shelves.

Impact and reaction

Military exposed to toxic dust

U.S. military personnel have been exposed to the highly toxic metal beryllium at dozens of Army, Air Force, Navy and Marine Corps facilities.

Impact and reaction

Cell phone safety

Chicago Tribune testing finds some devices measure over the legal limit for radiofrequency radiation, prompting the FCC to investigate.

Impact and reaction

Day-to-day misery

Life at one of the Chicago area's 1-star nursing homes.

The Bomb's fallout

How thousands of scientists and ordinary laborers risked their lives to develop and build the country's nuclear arsenal.

'Disaster waiting to happen'

Workers in the the electronics, recycling, machining and dental industries have been harmed by the deadly metal beryllium.

Impact and reaction

Mercury taints skin creams

Testing by the Chicago Tribune shows some skin lighteners contain high levels of toxic metal.

Impact and reaction

Bassinet linked to 2 deaths

The U.S. Consumer Product Safety Commission is slow to act, raising more questions about the embattled agency.

Impact and reaction

Who's watching the kitchen?

Part 1: Toledo's restaurant inspection system is failing like few city services ever have.

Part 2: Problems lurking behind fancy facades.

Part 3: Why fast food chains have few infractions.

Part 4: How to spot warning signs.

Impact and reaction