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

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image: Expeditious TB Tests

Expeditious TB Tests

By Kate Yandell | September 10, 2013

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

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image: Failing Alzheimer’s Test?

Failing Alzheimer’s Test?

By Beth Marie Mole | December 19, 2012

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

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image: Saliva Legit for HIV Testing

Saliva Legit for HIV Testing

By Megan Scudellari | January 25, 2012

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

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image: Anti-doping Lab Set for Olympics

Anti-doping Lab Set for Olympics

By Jef Akst | January 19, 2012

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

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image: Warning About Home Tests for STDs

Warning About Home Tests for STDs

By Jef Akst | October 26, 2011

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

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image: Spit test predicts age

Spit test predicts age

By Megan Scudellari | June 23, 2011

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

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