Second Opinion with Joan Lunden - Season 3

Is sugar really the enemy? What is insulin resistance? And is diabetes really that bad? With Type 2 Diabetes reaching epidemic numbers in our country, why aren't we doing anything about it? Our panel sets out to answer these questions and more.

While the physical consequences of heart disease are fairly well known, the mental ramifications are often overlooked. With a tough case and a surprise ending, Second Opinion delves into the cause and effect of heart disease and mental health, and the potentially detrimental emotional aspects of medical illnesses.

With so much money going into cancer research and the success rate of cancer treatment increasing every year, why is a diagnosis of lung cancer still a death sentence? Experts who diagnose and treat the disease talk openly about the challenges of finding good diagnostics and a cure.

Though often portrayed as merely a sexual issue, erectile dysfunction can also be a signal of other significant health problems, such as heart disease. Second Opinion provides a candid discussion of causes and treatments, and reveals the many issues faced not just by men with this condition, but also their partners.

Sleep is often described as the most influential factor of our health and longevity, and sleep disorders can cause detrimental sleep disruptions. Our panel looks into the importance of shut eye and how to get enough of it.

Two thirds of Americans are obese. Some people call it an epidemic. While diets and pills fail, gastric bypass surgery has swept the nation as the magic bullet for weight loss. Is this solution as simple as it seems? Second Opinion takes and in-depth look at the pros and cons of this surgery.

With thousands of people dying each year from the flu, it takes a pandemic to get us talking about it. The leading experts in the field will discuss the everyday flu, what we can do to keep ourselves healthy and flu-free, and if a more serious flu really poses as great a threat as the media portrays.

While hearing the word "infertile" can have a devastating effect on women and men, there are many options and procedures available to people having trouble conceiving. But with high tech fertility methods developing faster every day, what are moral issues surrounding infertility in our country?

The diagnosis and treatment of breast cancer is a traumatic time for the patient and their loved ones. Yet life after the cancer treatment is often just as challenging. Experts, patients and laypeople discuss life after breast cancer - what it means to a woman personally, medically, socially and sexually.

Some say passing a kidney stone is more painful than childbirth. People have been suffering from kidney stones since the beginning of time, and the incidents continue to rise. What are kidney stones, how are they treated, and more importantly, can they be prevented?

As our average life expectancy increases, we ask is living longer better? Our panel discusses genetics, modifiable factors and medical technology that may dictate how long we live.

An estimated 15-30% of Americans suffer with chronic pain. What is causing it? With so many people struggling with it, still the causes often go undiagnosed and therefore untreated. Is it real, or is it all in our heads-or are doctors just not looking deeply enough?

America is a culture afraid of death. With that fear comes a lack of communication about how we want to die. Is it better to die in a hospital with every means for survival being administered, or is an acceptance of the end of life and a quiet death at home better? Is there such a thing as a good death?