Return exactly one rewritten English science news headline for the original title below. Maximum 12 words. Output plain text only. Do not use HTML, Markdown, quotes, labels, explanations, bullets, numbering, or multiple options. Original title: What your tears could reveal about your brain
A few tears may someday reveal important clues about a person’s neurological health. Researchers reporting in ACS Omega developed a low-cost electrochemical sensor ...
