Struggling to soothe a crying baby can be debilitating, but new research suggests it might be more out of parents' control than they think. A new Swedish twin study has found that how much an infant ...
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 ...