In recent years there's been some question about whether there is a link between autism and Vitamin D deficiency in some African immigrants. Minnesota has a lar

In recent years there's been some question about whether there is a link between autism and Vitamin D deficiency in some African immigrants. Minnesota has a large population of Somali immigrants (ISTR the largest population outside Somalia itself) and in that community, autism has been nicknamed the "Minnesota disease" because of how prevalent it has become in children of immigrants. https://www.minnpost.com/politics-policy/2008/07/mysterious-connection-autism-and-minneapolis-somali-children/ https://www.minnpost.com/politics-policy/2008/07/mysterious-... It's an old article, but I haven't been able to find anything newer that isn't based on the same study in 2008. A similar "outbreak" was noted in Sweden.