A simple breath test might spot multiple cancers before symptoms appear

This trial is testing whether a breath analysis device can detect unique chemical patterns—called volatile organic compounds—that may signal the presence of cancer. Researchers will collect breath samples from 1,000 people with various cancers and 1,000 healthy volunteers, then use machine learning to see if the patterns can distinguish between cancer types and healthy breath. The goal is to develop a noninvasive, quick screening tool for early cancer detection.