Two biomarkers found in cerebrospinal fluid – tau and beta-amyloid proteins – may be the key to diagnosing the early stages of Alzheimer's disease sooner and more accurately, according to a new report. Researchers from the Alzheimer's Disease Neuroimaging Initiative (ADNI) not only confirmed that certain changes in biomarker levels in cerebrospinal fluid may signal the onset of mild Alzheimer's, but also established a method and standard of testing for these biomarkers. (Diagnostics & Imaging Week)

The process of detecting two of the most common sexually transmitted infections – Chlamydia and gonorrhea – may have just become more efficient. (Medical Device Daily)