What are the stages and clinical features of Perthes disease? In general, Perthes disease produces symptoms that have a gradual onset. Pain and limping are…
Could humans breed with Neanderthals? It is also possible that while interbreeding between Neanderthal males and human females could have produced fertile offspring, interbreeding between…
Why does my baby keep head bobbing? Spasmus nutans is a disorder affecting infants and young children. It involves rapid, uncontrolled eye movements, head bobbing,…