Conditions & Illnesses Highlights

Christy, 41, is a stressed-out mother of 5-year-old triplets. She visits compounding pharmacist Dr. Mark Gonzalez, who recommends a saliva stress test, in which four saliva samples are collected at various times throughout the day. The saliva swabs are then tested for cortisol, also known as the stress hormone.

Tinnitus, or a constant ringing in the ears, can be debilitating over time. Find out potential causes of the condition.

Pediatrician Dr. Jim Sears and gastroenterologist Dr. Jorge Rodriguez explain Hirschsprung's disease.

Improv comedian and choroideremia sufferer EJ Scott explains why he's running 12 marathons blindfolded in 2012.

The Doctors and USA Weekend explain what you need to know about fibromyalgia.

Salmonella is the one of the most common types of food poisoning in the world. You can get tested to find out if you've been infected.

It's easier than you'd think to prevent hemorrhoids. With a little exercise, attention to diet, and a change in habits, you can become hemorrhoid-free.

Although most tick bites do not result in Lyme disease, the disease is serious enough that you should know how to recognize the symptoms.

Appendicitis occurs when your appendix becomes inflamed and fills with pus. Watch out for the symptoms.

Kidney stones are hard, solid masses that can cause intense pain. These are some of the symptoms that may occur.

Liver disease is a broad term for conditions, diseases, or infections that can make the liver function improperly or stop liver function altogether. Use this guide to help recognize the symptoms.

Lyme disease can be treated with antibiotics at any stage. Here are some things to keep in mind as you seek treatment.

Wendy, who has alopecia, describes the "hair systems" or wigs she wears from National Hair Centers and shares how they have changed her life.

Misdiagnosed for seven years, Sharmyn takes control of her own health, finds the answers she's been searching for and a doctor that can help. Dr. Daniel Kelly, the Director of Saint John's Brain Tumor Center in Santa Monica, CA, successfully removes her tumor and gives her back her life.

Parkinson's disease is a chronic condition caused by a lack of dopamine in the brain. Diagnosis can sometimes take years; knowing the symptoms can speed up the process.