The Hobbit’s bite gets a stress test. Duke Today, Aug. 23, 2021. If you’ve ever suffered from a sore jaw that popped or clicked when you chewed gum or crunched hard foods, you may be able to blame it on your extinct ancestors. That’s according to a study of the chewing mechanics of an ancient human relative called Homo floresiensis, which inhabited the Indonesian island of Flores before our species arrived there some 50,000 years ago. Picked up by Archaeology.