Infections create a toxic environment for the body so the symptoms of thinning hair, anxiety, sleep problems and so on are as a result of immune activation. Supporting the body with nutrition is necessary.
Seeing seeds in the stool could be caused by certain foods, if that is not the case then I would suspect either a yeast overload or tapeworms. (I hope that does not scare you). Take a look at these images and see if that matches yours