Breath and disease: different smells can indicate different pathologies

    Breath and disease: different smells can indicate different pathologies

    Could the smell of our breath indicate the presence of certain diseases? According to some American researchers, the answer is yes

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    Can smells indicate the presence or absence of a disease that is afflicting our body? From the Monell Chemical Senses Center in Philadelphia come the results of a curious but interesting research that has succeeded in linking breath odor to different diseases.





    According to the study, published in the journal Sensors, each pathology would have its own particular smell, that is, the breath would change taking on different characteristics depending on whether it is diabetes, thyroid, liver, bladder or other problems. The mechanism by which this occurs is actually already known: the body produces chemical substances (metabolic waste) with certain odors on a daily basis. However, in the case of cancer cells, for example, different substances are released with different odors, and it is precisely on the latter that the study has focused.

    The researchers made concrete examples to explain their result and make it available to everyone: the diabetes produces a smelling breath similar to nail polish remover while disturbing the thyroid of toasted bread. Problems al liver they make the breath smelly like that of raw fish, instead one bladder unhealthy leads to an ammonia smell.

    However, scholars warn, the human sense of smell is not always able to perceive the subtleties of these smells especially if they are light and not clearly evident, to make future diagnoses therefore, if this method is actually proven by further research could resort to electronic noses capable of great precision in identifying the nuances of odors.

    Dr. George Preti, head of the research, intends to focus in particular on the diagnosis of ovarian cancer, very dangerous because it is usually only diagnosed when it is too advanced. Among other things, Preti and his team have been engaged for years in this type of research which aims to link odors (not only of the breath but also of ear wax and other body secretions) to the appearance of diseases with the ultimate aim of being able to create harmless and effective diagnostic systems.



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