[post_page_title]Getting sick[/post_page_title]
While they share many of the same organs including a bladder and diaphragm, there are many differences that set them apart. They do have their own immune systems so one twin can get sick while the other can enjoy a healthy day. In fact there are incidents where Brittany contracted pneumonia. She was terribly ill and during the entire time Abby never got sick. During these times as well, however, they do admit to wishing they could be separated.