At a former pomegranate farm on the outskirts of Bengaluru, 15 dogs are helping build what could become one of India's most unconventional healthcare technologies.The startup behind the effort, Dognosis, claims its specially-trained canines can detect multiple cancers from a person's breath, potentially offering a low-cost and non-invasive alternative to traditional screening methods.The company recently published results from what it says is the world's largest breath-based multi-cancer...