The Chicago area has the worst heroin problem in the nation, according to a study tracking heroin-related visits to emergency rooms. The new head of the Chicago Drug Enforcement Administration tells us what law enforcement is doing about it. Watch part one of Chicago Tonight's 2009 story on the heroin crisis in the suburbs Watch part two

We find out how the Greater Chicago Food Depository has helped kids receive nutritious meals during the summer months.

We'll meet a fourth-generation herbal medicine doctor in Chinatown.

She trailed President Clinton on his jogs, carted a defibrillator to more than 100 countries, and often rode in the Secret Service "decoy" limousine. We'll hear from Dr. Connie Mariano, who spent nine years as the White House physician. More about Dr. Mariano

An apple a day keeps the doctor away -- we've all heard this childhood saying, but Americans sure seem to enjoy having their doctors around. The author of a new book is here to talk about our infatuation with medical care. Read The Treatment Trap blog

We meet a local woman who isn't letting ALS keep her from working. KissMyAls.com

Should antibiotics be used on farm animals? We'll learn about this heated -- and growing -- agricultural debate.

A new study ranks Illinois as the 26th most obese state, and statistics show we are only getting fatter. Carol Marin and her panel discuss these findings and share some ideas on what can be done.

We talk to Chicago Sun-Times sports columnist Rick Telander about his ongoing series about the 1968 to 1970 Northwestern Wildcats and the growing concerns about concussions. Read the articles

Eric Ferguson, host of The Eric and Kathy Show on 101.9FM The Mix talks about his health issues earlier this year and his prognosis following his heart surgeries.

We meet a Chicago man who contracted an incurable disease during the Gulf War that made it impossible for him to run. Now, he runs 21 miles...to work. Robert Herskovitz's Running Playlist

We meet one Chicago woman who became the domino that allowed eight people to get a life-saving kidney. We find out about altruistic living kidney donations, and why they are on the rise.

Could your next doctor be a robot? We go into the operating room to watch robotic surgery. WEB EXCLUSIVE: Watch the unedited footage of the surgery

The science is nearly at hand to be able to choose how tall or athletic our children will be. But should we? President Obama recently created a panel of experts to tackle bioethical questions like these. We talk to one of the members of that panel. The Presidential Commission for the Study of Bioethical Issues

From Billy Sunday to Al Capone, Chicago's role in the rise and fall of Prohibition is notorious. A new book takes an even deeper look at how and why America went dry for 13 years. Eddie Arruza talks to Daniel Okrent, author of Last Call.

We hear what you have to say about some of our recent stories when we read our viewer mail.