Dogs are known to be able to sense illness in humans and I guess their extreme sense of smell plays a part. This is an interesting development - more portable than a dog and able to report what is being smelled (as opposed to 'woof' or a wagging tail).
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Dogs are known to be able to sense illness in humans and I guess their extreme sense of smell plays a part. This is an interesting development - more portable than a dog and able to report what is being smelled (as opposed to 'woof' or a wagging tail).