Instead of being handed a hit or miss pill, your doctor will do a test and then prescribe a drug that will work, because it will be specifically designed to suit your particular genes.

BBC: Scientists hope to develop individually-targeted drugs

There is not a perfect test right now to let a person or doctor know exactly what this is.

CNN: Regular flu season precautions advised in current outbreak

In addition to postponing the care they need, 28 percent of Floridians say they ignored a doctor's advice to get a medical test or treatment.

NPR: Americans Cutting Back On Medical Care, Poll Finds

Why would the doctor hesitate to do some procedure, or hesitate to request a test?

WSJ: Ed Marsh: Reflections of a Medical Ex-Practitioner