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14 Things Body Odor Says About Your Health

Young woman sitting on the bed with pain

3. You might have Trimethylaminuria

This is not particularly likely for many people, but this rare condition actually causes the body to break down a substance called trimethylamine. When this chemical is broken down in the body, it creates a smell similar to rotting or old fish.

This smell will be released through the breath, sweat, and urine, meaning you’ll definitely know if you have this condition.