He therefore contends that the crawling stage is a recent invention — one that emerged only within the past century or two, after humans began living in elevated houses with flooring, which would have been much more
hygienic than dirt.
Not exact matches
These pacifiers are softer
than silicone and extremely
hygienic, molded in one piece, and there are no joints or cracks where
dirt and bacteria can accumulate.
Besides being
hygienic, it allows your cleanser to focus on the
dirt and oil of your face rather
than that of your hands.
However, we are also more «
hygienic»
than ever before — playing in the
dirt less as children, using antibacterial soaps, and cleaning our homes with stronger chemicals.