I have been talking to my gf about the risks and benefits of medicine. In her family she has been raised on the principle that medicine has chemical in it that can cause alot of bad effects. Now specifically we are talking about vaccines and their mercury content. I know and have researched online, and it seems the most reliable information comes from the FDA, which states that the ethyl-mercury(the type that is within vaccines) is dangerous at high levels, but that the ethyl, as compared to the dangerous methyl variation, actually is easier for the body to eject and is therefore less dangerous. There was an apparent study on children. The FDA has also agreed that mercury is not healthy, so they are trying to reduce the amounts that companies put out in their medicine. So far it seems that most vaccines have no mercury. As their study says, and many others on both sides of the argument. Now my gf says that she doesn't want our kids to have any flu shots, b/c they contain mercury(this is true), but she also wants to hold off on other shots. I told her the risk of mental stunt due to the mercury is far less of a threat than the microbes that the vaccines prevent. She refused to believe that, stating that her aunt is not mentally stunted due to vaccines she recieved as a child, and that her brother and sister also have learning disabilities for the same reason. I couldn't say this, but her brother and sister probably have learning disabilities to the pot that her mother smokes, and her brother(who is a half-brother)'s father also had drug issues, so its more likely that those drugs were an issue. However, her mother, who is a nurse now, and grandmother have done extensive research(none of which she could tell me about) that proved that FDA research and statements were incorrect, and that mercury is still in all vaccines. In other words, she is being paranoid. What do i do to convince her that only a small minority of children can be affected by the mercury, and the chances of it happening now(especially after the FDA protocols were put into place) are small enough that the microbes pose a greater threat. She continuously says that she lived all her life without a flu vaccine, and i tried to explain the purpose of the flu vaccine is to prevent epidemics, but she just didn't grasp that idea...