A new way to quickly detect depression is causing a literal spit take.

Trusting a depressed brain to self-diagnose is like asking a broken GPS if you’re lost. While it might seem obvious, depression goes undetected in about 50% of cases since symptoms creep up slowly or come about in unexpected ways — meaning millions of people don’t realize they’re depressed.

But the sooner depression is discovered, the faster a treatment can be found — and researchers in Brazil have made a major breakthrough for the 21 million adults that have at least one major depressive episode each year.

A new text can detect biomarkers related to depression, simply by collecting saliva. New Africa – stock.adobe.com

The research team has developed a portable saliva-based biosensor that measures levels of bra

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