What the smell of your BREATH says about you, according to science
Briefly

The scent of breath can be an indicator of health issues beyond poor oral hygiene. Fruity or acetone-like breath may signal poorly-controlled diabetes due to high ketone levels. A metallic smell might suggest kidney dysfunction or heavy metal exposure, while fishy breath could indicate trimethylaminuria or liver issues such as fetor hepaticus. Understanding these breath odours can provide insights into systemic health concerns.
Fruity-smelling breath can be a sign of high ketone levels in the blood, which can occur in individuals with poorly-controlled diabetes.
A fishy-smelling breath could indicate a condition called trimethylaminuria or liver problems related to fetor hepaticus.
Metallic breath could suggest kidney dysfunction or heavy metal exposure, arising when kidneys cannot effectively remove waste.
Certain scents in breath may indicate systemic health issues, rather than just poor dental hygiene.
Read at Mail Online
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