Why Does Blood Smell Like Metal?

By Staff WriterLast Updated Apr 14, 2020 12:07:33 AM ET
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DAVID MCCARTHY/Science Photo Library/Getty Images

Owing to its iron content, human blood smells like metal to many people. In fact, when people rub their skin along certain iron-containing objects, such as coins, perspiration reacts with the iron to produce a metallic smell, according to LiveScience.com.

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