We speak to Mayo Clinic's Dr. Jacqueline Thielen about developments in women's health including some of the best treatment options for menopause.

Long before hockey, football, and even baseball became popular sports in the U.S., there was velodrome racing. At the end of the 19th century, competitive racing on bicycle tracks was all the rage, especially in Chicago which had several velodromes throughout the city. Those great tracks have all disappeared but there is still one on the city's South Side that's currently sitting idle. But that could change soon.

Last weekend, the nonpartisan Council of Great Lakes Governors held a summit to discuss how to prevent a repeat of last year’s toxic algae bloom that left more than 400,000 without drinking water. We’ll talk with experts about the summit and the economic and technological advantages that Lake Michigan provides to Chicago. 

The Great Lakes contain 90 percent of the fresh water in the U.S. and the Straits of Mackinac have some of the most pristine water in the Great Lakes. But underneath the water are more than 60-year-old pipelines carrying crude oil and natural gas. Elizabeth Brackett has the details.

Now that the temperature has warmed up, we’re ready to plant the seeds and transplants for our summer crops. The Organic Gardener Jeanne Nolan visits our garden to help us plant our latest round of viewer selected crops and check in on the crops we planted a month ago.  

The Illinois General Assembly has sent a bill to Gov. Bruce Rauner that will allow terminally ill patients to try experimental medication that hasn't yet been approved by the FDA. We'll hear more on the debate over whether the bill gives families a lifeline or puts already sick people at risk.

We dive into sugar and spice and everything nice, or not so nice. In The Oxford Companion to Sugar and Sweets, editor Darra Goldstein shares the powerful ways sugar has played a role in our world, both good and bad.

Just back from Nepal yesterday, we speak with a local doctor who was in Nepal providing knee and hip replacements. We get the latest from her on the unfolding humanitarian crisis.

As awareness increases about the risk of traumatic brain injury while playing contact sports and the possible long-term health impacts, we talk to Dorothy Kozlowski, a professor of biological sciences at DePaul University whose research focuses on understanding and treating the injured brain.

Chicago Tonight staff digs into the first planting of the season with The Organic Gardner Jeanne Nolan.

Tuesday, a team of federal health officials arrived in southern Indiana to evaluate a recent surge in HIV cases, which the director of the National Center for HIV/AIDS called one of the worst outbreaks of the last 20 years. We talk with John Peller, president and CEO of the AIDS Foundation of Chicago, to see how Chicago’s infection rate compares to Indiana, what the underlying causes are, and how to stem the tide of cases.

The World Health Organization warns that the rise of antibiotic-resistant bacteria or "superbugs" means that we could be on the brink of a "post-antibiotic era" in which common infections and minor injuries can once again kill. They say the situation is "so serious that it threatens the achievements of modern medicine." We talk with two experts about the scale of the threat and what we can all do to try and contain it.

Marisa Eve Girawong, a graduate of Chicago’s Malcolm X College, died in an avalanche resulting from the massive earthquake that struck Mount Everest on Saturday. As the death toll continues to rise, a local medical group is raising money for its partner hospital, Nepal Orthopedic Hospital, in the country's capital of Kathmandu. 

Officials say the outbreak of the so-called dog flu throughout the Chicago area is now of greater concern than originally thought. Dr. Donna Alexander, administrator of the Cook County Department of Animal & Rabies Control, tells us what the latest findings mean for pets and what animal control officials are doing to contain the outbreak.

Jack Yonover is one of an increasing number of kids who have to watch what they eat to avoid potentially life-threatening nuts. The Wilmette teenager is also a budding filmmaker and has created an impressive documentary about the dangers of nut allergies from a kid's perspective. Yonover tells us about his documentary that is already drawing attention from health professionals and film festivals.

Hundreds of Chicago area dogs have gotten sick and a number have died from what is believed to be an especially virulent "dog flu." A Chicago veterinarian tells us what the disease is, why it's especially bad, and offers advice about what loving dog owners should and should not do.