"Caregivers of those with a traumatic brain injury had their blood pressure recorded at certain time of day -- at meals and during other activities, .. The blood pressure of the people who had adopted the pets went down dramatically."

Previous Quote

Livestock adopted in Africa were Eurasian species that came in from the north. Africa's long axis, like that of the Americas, is north/south rather than east/west. Those Eurasian domestic mammals spread southward very slowly in Africa, because they had to adapt to different climate zones and different animal diseases.

— Jared Diamond