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I think whether you believe we evolved from apes or someone decided to improve on the creation of the ape by making something closer to his image, when it comes to apes we can learn a great deal about how babies should be treated and handled. My son loathed a sling and barely tolerated a carrier. The hips that got me mocked while in Junior high and I didn't grow into until I was 21 became a blessing when I became a mother.
3 years ago on How Your Baby’s Body is Adapted to Being Carried