5 Human Body Parts That We No Longer Need

3. Wisdom Teeth

Image of wisdom teeth. Source: medicinenet.com

Our ancestors, known to be herbivores, needed strong molars for mashing up and chewing plant material. This relic is why many of us will develop wisdom teeth, also known as third molars. Theoretically, they could still be used for chewing, but in one third of people, they can come in sideways, impacted, or can cause pain and infection. This is why these vestigial structures are almost always removed when they begin to come in. (Source: more.com)


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