Mesoamerican chronology divides the history of pre-Columbian Mesoamerica into several periods: the Paleo-Indian (first human habitation–3500 BCE), the Archaic (3500–2000), the Preclassic (2000 BCE–200 CE), the Classic (200 CE–1000CE), and the Postclassic (1000 CE–1697 CE).展开全文 原微博
the paleo diet is essentially changing our diet to mimic the ones we whould have if we were a scavenger living during prehistoric times. experts in that field seem to suggest that it is a diet high in satured fat and low in carbohydrate.展开全文 原微博
