Brain scans may reveal a lot about mental illness, but not until studies get bigger - WBUR

Scientists are using MRI scans to understand how mental illness shows up in the bran. But new research raises concerns that existing studies are not reliable because the sample sizes are too small.

MRI scans have allowed researchers to peer inside the human brain. And the technology is great at revealing damage from a stroke, or areas that light up when we see a face. But brain scan studies ha… [+6369 chars]

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