Medical research has helped us lead longer, healthier lives, but it has also sparked ethical concerns and contentious political debate. Through a Parkinson's Disease case, panelists explore the controversial world of clinical trials and debate the potential gains and pitfalls of science on the edge.

Many Americans think loss of vision is a normal part of aging. Think again. The number one cause of vision loss is actually a disease called macular degeneration. This episode describes the disease and how you may be able to prevent it from compromising your vision.

Heartburn is nothing to take lightly. For many people, heartburn can interrupt daily life and be the precursor to serious illnesses. Our panel of experts on gastroesophageal reflux disease (GERD) will discuss the diagnosis and treatment of it, as well as the symptoms you should not ignore.