I thought it was interesting that Juliet is a fertility doctor, and yet there are no children are to be found amongst the others. Also, how completely inept the others appear to be when it comes to medical science. Maybe with the genetic engineering, and life extending experiments they were conducting they began to believe that medical science was obsolete. Now, they desperately need it.
Did Ben say he was born on the island, or did he simply say....I've been here all my life? hmmmmm