My son Benjamin has a serious growth hormone deficiency. He’ll be 13 years old in May but could easily pass for a boy of 8 or 9. In fact, many 8- and 9-year-olds are taller than him. He’s a full head shorter than all of his pals in seventh grade.

Although his mother and I don’t have medical degrees, we medical degrees, we had Benjamin’s diagnosis pegged when he was 3 years old and still wearing clothing for an 18-month-old.

Several trips to his pediatrician along with a couple simple tests to assess Benjamin’s bone age confirmed with data what we could see with our own eyes. Our boy wasn’t just in the bottom percentile in average height for kids his age – he was in the sub-basement