'Stranger Things' Sheds Light on a Rare Disorder

The problem, known as cleidocranial dysplasia (CCD), impacts only about one in a million men

dna illustration

The problem, known as cleidocranial dysplasia (CCD), impacts only about one in a million men and women, in accordance to the U.S. Nationwide Institutes of Health and fitness. Prompted by a mutated gene, CCD prospects to irregular bone growth — most apparent in the collarbones and tooth.