The caudate nuclei, parts of the brain affected by Huntington’s disease KATERYNA KON/SCIENCE PHOTO LIBRARY
The genetic mutation that causes Huntingtons disease, a devastating brain condition, may have been selected for by evolution because it also leads to higher intelligence in peoples childhood and 20s.
This idea may not only lead to a rethink of strategies to treat Huntingtons, but could also change our perspective on the genetics of intelligence. There are a lot of implications for our understanding of the biology of the brain, says at the University of Iowa, one of the…



