We humans, typically, have 23 pairs of chromosomes. Sometimes, for a variety of reasons, we have an extra chromosome or we are missing one. Down syndrome, also known as Trisomy 21, is a genetic disorder that occurs when an individual has a full or partial extra copy of their 21st chromosome. Down...

How does experience and one’s  environment influence the early development of our brains? We’ve known for a long time that  this question does not simply boil down to “Nature” vs “”nurture”, a false dichotomy. Instead, brain development might best be thought of as a cascading interaction between...

In this episode of Your Child’s Brain, Dr. Brad Schlaggar is joined by his Kennedy Krieger colleague, Dr. Doris Leung, to discuss a set of diseases of muscle that we refer to collectively as muscular dystrophy (MD). Muscular dystrophy is actually a group of rare genetic diseases that cause...