The caudate nuclei, parts of the brain affected by Huntington’s disease KATERYNA KON/SCIENCE PHOTO LIBRARY
The genetic mutation that causes Huntington鈥檚 disease, a devastating brain condition, may have been selected for by evolution because it also leads to higher intelligence in people鈥檚 childhood and 20s.
This idea may not only lead to a rethink of strategies to treat Huntington鈥檚, but could also change our perspective on the genetics of intelligence. 鈥淭here are a lot of implications for our understanding of the biology of the brain,鈥 says at the University of Iowa, one of the…
Article amended on 23 November 2023
This article has been changed to correct information about the young adult study and the research that supports the toxicity idea.
