nytimes July 28, 2021 12:01am Ever Feel Your Skin Crawling? Maybe You Can Thank Evolution. #itching #nausea #parasites #psychologyandpsychologists #videorecordingsdownloadsandstreaming #research #viruses #bacteria #insects #proceedingsoftheroyalsocietybjournal #science #news Ever Feel Your Skin Crawling? Maybe You Can Thank Evolution. A new study suggests that humans have a distinct, itchy defense response to ticks and other ectoparasites.