3. Medical Conditions that Cause Body Odor

Many conditions feature body odor as a side effect, including diabetes, kidney problems, liver problems, and overactive thyroid. Some people are born with rare genetic conditions that cause abnormal body odor. Sometimes, an odd body odor is a sign of a more serious issue. If a person smells like bleach or urine, it’s possible that they have a liver or kidney issue. Hyperhidrosis, excessive sweating, can cause more noticeable body odor because there is more sweat with which bacteria can interact.

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