<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channel="BusinessInsider" data-layout="full" data-count="default"></div></div></div><p class="embed-spacer"></p><p><span id="docs-internal-guid-ffb9dd5c-9548-db0f-5a8d-ee68e55b8211"><span>Olympians have been biting their metals for the camera for years. Here's where this strange tradition may have originated.</span></span></p><p><span><strong>Follow BI Video:</strong><span>&#xa0;</span><a href="https://twitter.com/BI_Video">On Twitter</a></span></p>

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Here's why Olympic athletes bite their medals

kalturavideoplaceholderOlympians have been biting their metals for the camera for years. Here's where this strange tradition may have originated.Follow BI Video:&#xa0;On Twitter

kalturavideoplaceholderOlympians have been biting their metals for the camera for years. Here's where this strange tradition may have originated.

Here's why Olympic athletes bite their medals

Emma Fierberg

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