A team of researchers from Cornell University's Cognitive Science Program suggest that certain sound combinations can trigger intense emotional response compared to other words. This is likely to play a major role in language acquisition of children and explain the evolution of language. Moreover, the research explains why people identify a spiky shape as 'kiki' and a rounded shape as... https://www.coherentmarketinsights.com/news/sound-of-certain-words-can-increase-stress-levels-research-suggests-100