The distractions of constant emails, text and phone messages are a greater threat to IQ and concentration than taking cannabis, according to a report by Martin Wainright in the Guardian.

Doziness, lethargy and an increasing inability to focus reached “startling” levels, according to a recent survey, which found that “respondents’ minds were all over the place”, and both productivity and the ability to focus dropped as they grappled with the questions and challenges presented by each new email that arrived in their inbox.

Other negative effects were fatigue, and an average IQ loss of 10 points, more than double that found in studies of cannabis users.

Read the full article at: Guardian Unlimited