After receiving a baby doll who just wouldn't stop crying for Christmas, 3-year-old Summer Littleford lamented, “I don’t know why Santa did this to me.” Summer’s mother, Ashley Littleford of Ontario, ...
A Swedish study, published in JCPP Advances, took questionnaire responses from nearly 1,000 parents of twins, at 2 and 5 months of age. Researches looked at both fraternal and identical twins to ...
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