Every parent loves hearing their child say their first word—whether it’s mama, papa, or something hilarious like ball-ball or gaaa! But when the words don’t come on time, worry creeps in. “Is my child ...

When Sasha’s* son Jack seemed reluctant to talk at the age of two, she was naturally concerned. “Since birth we’ve always talked to Jack and tried to get him to interact, but he just wouldn’t reply,” ...