The sense of smell has been used to diagnose disease since ancient times. In fact, more recently dogs have even been trained to sniff out cancer. However, it is the use of electronic or e-noses which is relatively new.
E-noses were first used to detecting food spoilage or chemical leaks, but now more sophisticated and sensitive instruments are being used to diagnose a widening scope of diseases.
Implications - E-noses are yet another brilliant medical and scientific innovation that is bringing the medical community closer to detecting and curing serious diseases with ease. Science and technology have had parallel evolutions, where advancements such as these are bettering the medical community at a rapid rate.
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