Health
Need to Know: How dogs help save our lives
Dogs help humans stay healthy, from cancer detection to PTSD therapy
Join "TechKnow" contributors Phil Torres, Cara Santa Maria, Crystal Dilworth and Shini Somara and as they explore scientific innovations and their impact on our lives. Cara reports on a group that is training dogs to detect cancer in breath samples from patients, and the new tech being developed to mimic that test. Plus: can a new "suspended animation" procedure that cools the body buy doctors enough time to save gun shot victims' lives?
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