Cannabis significantly affects users' ability to recognise process and empathise with human emotions like happiness sadness and anger suggests a new study. 'We're not taking a pro or anti stance but we just want to know what does it do? It's really about making sense of it' said one of the researchers Lucy Troup assistant professor of psychology at Colorado State University in the US. The findings were published in the journal PLOS ONE. Read: Smoking cannabis (marijuana) can slow down the brain For the study involving 70 participants the researchers measured electrical activity in the brain triggered by visual
