Dogs have such sensitive noses that they can be trained to detect the odors of crop pests, endangered species, illegal drugs – and diseases like COVID-19.

Fat cells and cancer cells talk to each other. Specialists in both systems can do the same.

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 growing body of research shows that nutrition, sleep, exercise and a host of other lifestyle choices can help optimize the immune system. But they are no substitute for life-saving vaccines.

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

Researchers have found a biomarker indicates a regular, healthy response to stress in the brain. But they also found it's missing in people with depression.

Researchers have found a biomarker indicates a regular, healthy response to stress in the brain. But they also found it's missing in people with depression.

Worldwide, 1 in 4 people will suffer from a depressive episode in their lifetime. A new blood test may lead to a more personalized approach to treatment.