Dogs possess an extraordinary sense of smell that far surpasses human ability. With up to 300 million scent receptors, they can detect odors that are completely undetectable to us. This powerful biological skill allows trained dogs to identify drugs, explosives, and even diseases such as cancer and diabetes with remarkable accuracy. Scientific studies have shown that dogs can distinguish between healthy and diseased samples by sensing subtle chemical changes in the body. This discovery is inspiring new research into using dogs and technologies modeled after their noses to detect illnesses early, making them valuable partners in both medicine and safety.
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