The shape of certain proteins in spinal fluid may be a sign of Parkinson's disease, according to new research.

College students who reported recent thoughts of suicide have different bacteria in their saliva than those who didn't, a new study shows.

A new blood test could complement standard methods for lung cancer screening without the need for biopsy, researchers report.

Researchers have found a link between gut bacteria differences and fibromyalgia severity. The work also points to a biological signature for the disease.

The first dinosaurs had metabolisms akin to today's birds. "Dinosaurs included remarkably swift and agile animals," says Derek Briggs.

A new blood test is more accurate than current methods at predicting preeclampsia, a leading cause of severe maternal and neonatal illness and death.

Researchers are exploring for brain signals that mark when someone is experiencing OCD symptoms in order to shape future brain stimulation treatments.

The discovery of a new biomarker could improve both the diagnosis and treatment of chronic lung diseases like asthma and COPD, researchers report.

Noninvasive glucose monitoring devices aren't currently commercially available in the US, but a new wearable device may change that.

A new noninvasive urine screening test can detect the presence of new or recurrent cases of bladder cancer, researchers report.