Once again, this week another study came out dismissing the link between vaccines and autism. Add this one to the list, but this is one of the largest and takes into account genetic and non-genetic risk factors. It continues to discredit the vaccine-autism link. However, in other science, more evidence that prenatal folic acid supplementation, something women should be doing anyway, does reduce the probability of having a second child with autism. So take your folic acid – either by prescription or over the counter. As Martha Stewart says, it’s a good thing to do. Listen to the podcast here.