Make sure to read these articles related to Huntington’s disease if you want to learn more!
“A Faustian bargain” in the Economist: https://www.economist.com/science-and-technology/2015/03/05/a-faustian-bargain
“Is Huntington’s Disease an Unintended Consequence of Having a Highly Sophisticated Brain?” in the Scientific American: https://www.scientificamerican.com/article/is-huntington-s-disease-an-unintended-consequence-of-having-a-highly-sophisticated-brain/