blood test

FDA approval is required to make Alzheimer's biomarker testing affordable, but a brain specialist is needed to make an accurate diagnosis.

Quest Diagnostics is selling a blood test online to consumers. But results may not be reliable or easy to interpret. And it isn’t covered by insurance.

The first of a new wave of cancer-detection blood tests likely saved Gilbert Milam Jr.’s life. But many cancer researchers, wary of overtesting, argue it’s premature to prescribe the Galleri test widely.

Traditional blood tests still do a better job flagging common inherited diseases. Gene sequencing can be useful for detecting some conditions, but the results can be difficult to interpret.

This blood test detected signs of cancer in 70 percent of people with eight common forms of the disease. But it was much less good at identifying cancer in people in the early stages.

The goal is to find accurate, painless tests that can help doctors diagnose Alzheimer's early and track the progression of the illness and any response to treatment. A few tests seem promising.

The recommendations from the Food and Drug Administration represent a major expansion in testing blood for Zika. The agency had earlier advised testing only in areas with an active outbreak.

What if a concussion could be diagnosed on the field like a diabetic testing their blood sugar? Orlando Health researchers are working on that.Seven…