The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.

New rapid tests for extensively drug-resistant tuberculosis appear highly accurate.

Two new studies claim that a shoddy test may have caused Alzheimer’s drugs to fail in clinical trials.

A quick spit test is as good as blood for detecting HIV, and could encourage self-testing initiatives in the US and Africa.

The most high-tech laboratory in the history of the Olympic Games is prepared to begin athlete testing in London.

The Medicines and Healthcare products Regulatory Agency (MHRA) warns against home testing kits for HIV and other sexually transmitted diseases.

Scientists accurately determine age based on DNA methylation patterns from saliva samples.