The globalization of nonalcoholic fatty liver disease: prevalence and impact on world health

M Rinella, M Charlton - Hepatology, 2016 - journals.lww.com
As far as the scientific community can tell, the first prokaryotic cells emerged on an
inhospitable Earth 3.8 billion years ago. The first mammalian fossils date to 200 million
years ago and those of Homo sapiens to a mere 200,000 years ago. The human transition
from existence exclusively as hunter-gatherers to agriculture-based civilizations began less
than 12,000 years ago. Until a blink of an eye ago in biological terms, the ability to find
enough food to survive was inconsistent and unpredictable. For several decades we have …