Amber Teething bracelets/necklaces, myth or miracle?!?!

I've been hearing a lot of hype about these amber teething bracelets/necklaces. Has anyone used them or know anyone who has?! What are your opinions? Are they complete BS or are they something worth looking into?

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About Jennifer Noyce
Current: Norway, Michigan
Birth: September 29
On Moms.com since: Apr 9, 2014
A first time mommy-to-be. I'm married to a wonderful man, David. We own our own semi and David drives so unfortunately he is on the road most of the time. David has 2 kids, Ty (6) and Amelia (5) and they are equally excited that we are having a baby!!