Complex sentence: The preoccupation with body fat has a long tradition in the Andes region, and in pre-Hispanic natives prized fat such that a deity, Viracocha (meaning "sea of fat"), existed for it.
Split into simpler sentences: The preoccupation with body fat has a long tradition in the Andes region. Pre-Hispanic natives prized fat so much that a deity, Viracocha (meaning "sea of fat"), existed for it.