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2. Foot Odor Causes

Though bacteria and the apocrine glands cause body odor on most of the body, the feet often smell despite not having any apocrine glands. Foot odor is almost entirely the result of bacteria. Most people wear socks and shoes, which prevent sweat from evaporating. This provides more sweat for bacteria to break down, resulting in foul odors. Additionally, moist feet are particularly at risk for developing certain fungal infections, which typically have odor as a side effect.

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