Dr. Kameron Matthews, the primary care physician to all transgender inmates at Cook County Jail, joins us to talk about the transgender policies at Cook County Jail.

No one questions Mimi on the street about her appearance, she says, but there is an exception -- when she has to show her I.D. Mimi says she committed Medicaid fraud to hide her identity, but now she sits in Cook County Jail. A post-operative transsexual, Mimi is considered at-risk in jail.

We asked what you thought about children under age 18 being allowed to undergo sex-changing treatments. We hear what some of you had to say in tonight's Viewer Mail.

Children's Memorial Hospital is considering starting a clinic to serve kids who feel they were born the wrong gender. We talk with a doctor at the hospital who's pushing for this to happen.

A barefoot runner makes the case for leaving your shoes at home -- even in the winter.

Heart disease is the number one killer of men and women. We talk with Dr. Martha Grogan, the medical editor of a new book about heart health from the Mayo Clinic. 

Groundbreaking brain research has scientists closer to understanding how Alzheimer's disease spreads inside the brain. A local neurological researcher explains.

February is American Heart Month, a month to spread awareness about the importance of heart health. Dr. Terry Mason, Chief Medical Officer for Cook County Health & Hospitals System, joins us to discuss heart health and more. Please also join us for a live web chat during and after the segment.

Veteran Chicago food critic, Pat Bruno, talks about his battle with the same brain cancer that claimed the lives of Gene Siskel and Tim Weigel.

Katherine Lik is a naturopath at the Raby Institute for Integrative Medicine at Northwestern. She joins us to discuss natural remedies for side effects patients face while dealing with conventional medical treatments.

Sen. Mark Kirk's surgeon had encouraging words today. The senator remains in intensive care, recovering from a stroke. We hear from two doctors about what's next.

A new generation of veterans is returning home from Iraq and Afghanistan. We hear from two professionals who are helping with the transition from soldier to civilian.

Could harnessing the power of cold temperatures help shed flab and love handles? Ash-har Quraishi takes a look at the procedure of freezing fat.

One man's diagnosis of Asperger's syndrome actually improved his marriage -- and he wrote a book all about it. He joins us.

Need tips on how to stay healthy in 2012? Dr. Terry Mason, Chief Medical Officer for Cook County Health & Hospitals System, joins us with several health recommendations for Chicagoans. Got any questions for Dr. Mason? Ask them here. Please also join us for a live web chat during and after the segment.

Oxygen is being used to treat sports injuries, diabetics, and cancer patients. Is it the new wonder drug or a bit of hot air? Paris Schutz has the story.