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.

For more than 50 years, a school field trip to Hinsdale meant a lesson in the facts of life. We take a look at one of the first sexual education centers in the country, and how it's adapting to the changing needs of schools and students.

A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

Creepy, crawly cuisine? Find out why some Chicagoans would like insects to be an essential part of our diet.

It's increasingly becoming the new doctor's office -- but without doctors. They are health clinics at retail stores. Eddie Arruza tells us why more people with everyday illnesses are opting to go to their local drugstore or big box chain for treatment.

For more than 50 years, a school field trip to Hinsdale meant a lesson in the facts of life. We take a look at one of the first sexual education centers in the country, and how it's adapting to the changing needs of schools and students.