MTHFR mutations & the conditions they cause root cause of many conditions site MTHFR Mutations and the Conditions They Cause MTHFR Mutations and the Conditions They Cause can cause or contribute to conditions http://mthfr.net MTHFR Mutations and the Conditions They Cause long list of conditions MTHFR can cause a lot of scary things many conditions 56 connections http://mthfr.net/mthfr-mutations-and...se/2011/09/07/ 56 connections list of 57