There is no immediately discernable reason for the circumcision of male infants, or for the prohibition of mixing milk and meat, except the Torah's claim that God has so ordained. (firstthings.com)
I do vaccinate my daughter — I did postpone a lot, but as soon as she started running into some mysterious health problems (at the time) we wanted to rule out as many problems as possible — her weight was dropping at a little over a year old and she was throwing up for no discernable reason. (thenaptimereviewer.com)