Last year, Cook County Health & Hospitals System began enrolling people in CountyCare, a Medicaid program for uninsured adults in Cook County. CCHHS has been enrolling individuals at 138 locations, including the Cook County Jail. Read an article.

More than 7 million Americans signed up for the Affordable Care Act. But who exactly signed up for ObamaCare? How many are paying into the health insurance system? And what happens to the people who missed Monday’s sign-up deadline? We go in-depth with Forbes health care and policy reporter, and author, Bruce Japsen. Read an article and a book excerpt.

Vaccinations for children have recently come up in the news with some celebrity moms opting out of vaccinating their kids and pointing to a potential relationship between additives in certain vaccines and autism. We talk with Dr. Adannia Enyioha of Rush University's Medical Center and Dr. Melanie Brown of Comer Children’s Hospital about vaccinations and the controversy surrounding the headlines. Read an article featuring voices from moms on both sides of the vaccination spectrum, and view a graphic of the CDC's recommended immunization schedule.

Vietnam veteran Lon Hodge struggled for years with Post Traumatic Stress Disorder until he got a PTSD service dog named Gander. Lon says that Gander has saved his life. Now, Lon and Gander help other vets and work to raise awareness about PTSD, veteran suicide and service dogs. We revisit Jay Shefsky's profile. Read an interview with Fran Menley, Service Dog Trainer at Freedom Service Dogs of America, about how they rescue, train and pair dogs with veterans and people with disabilities.

Are hospitals over-prescribing antibiotics to their patients? A recent report by the Center for Disease Control and Prevention states that some clinicians prescribe three times as many antibiotics than clinicians in other hospitals, which can sometimes result in a patient taking an antibiotic for too long, potentially causing super-resistant infections. We discuss the effects of overdosing on antibiotics and how hospitals can improve antibiotic-prescribing. Read an interview and view a graphic of antibiotic prescriptions in the U.S. by state.

The antibiotic stewardship program is offered in a health care facility or hospital that is designed to help improve the way antibiotics are used and prescribed. Read an article.

Dr. Brendan Reilly describes himself as a dinosaur in the medical field, and in his new book One Doctor: Close Calls, Cold Cases and The Mysteries of Medicine, he tells the stories of some of his most memorable patients, the changes that have taken place in practicing medicine, and why he’s a dying breed. He shares all that and unveils the mysteries of medicine. Read an article and a book excerpt.

We take a look at a new study that says Alzheimer’s is the third leading cause of death with one of the study’s researchers, Bryan James of Rush Alzheimer’s Disease Center. Read the full study, an article about super-agers, and view a graphic on Alzheimer's disease.

The Centers for Disease Control says there may be as many as 48 million cases of foodborne illnesses every year in the United States, costing the economy more than $150 billion and resulting in around 3,000 deaths. We talk with two food safety experts about the impact new technologies are having in keeping our food safe. Read an article.

Mayor Rahm Emanuel introduced an ordinance in today's Chicago City Council meeting banning new petroleum coke facilities and blocking expansion of existing facilities. The ordinance is co-sponsored by Ald. Edward Burke (14th) and Ald. John Pope (10th). Elizabeth Brackett has the details on that, and other City Council news.

As the March 31st deadline for Affordable Care Act enrollment draws closer, we check in with Illinois Deputy Governor Cristal Thomas and director of the Illinois Department of Public Health, Dr. LaMar Hasbrouck, about the number of state residents enrolled and the final month of the program. Read an article.

Vietnam veteran Lon Hodge struggled for years with Post Traumatic Stress Disorder until he got a PTSD service dog named Gander. Lon says that Gander has saved his life. Now, Lon and Gander help other vets and work to raise awareness about PTSD, veteran suicide and service dogs. Jay Shefsky has a profile. Read an interview with Fran Menley, Service Dog Trainer at Freedom Service Dogs of America, about how they rescue, train and pair dogs with veterans and people with disabilities.

We meet the Chicago doctor who claims in a provocative new book that ADHD does not exist. Read a book excerpt.

Is too much sitting linked to disabilities later in life? We chat with Northwestern University Feinberg School of Medicine professor Dorothy Dunlop, who is researching the issue. Read the full study.

Can chiropractic neck manipulations lead to strokes? We have some of your thoughts in tonight's Viewer Feedback.

In a major announcement from the nation's second largest pharmacy chain, CVS said it will stop selling tobacco products at its 7,400 stores later this year. We tell you about the huge economic impact it's going to have on the chain, and what Deerfield-based Walgreens had to say in response. Read statements in reaction to the news.