This is your brain. This is your brain on e-mail.

from Good Morning Silicon Valley: This is your brain. This is your brain on e-mail.: "E-mail is more harmful to one's mental acuity than pot. That's the upshot of what was undoubtedly a very amusing study recently conducted at the University of London Institute of Psychiatry (and sponsored by HP -- just what are they trying to tell us?). In clinical trial after clinical trial, 80 all told, Dr. Glenn Wilson, a psychiatrist at King's College London University, found the IQ of frequent e-mailers fell by 10 points during the work day -- the equivalent to missing a whole night's sleep and more than double the 4-point fall seen after smoking marijuana. 'This is a very real and widespread phenomenon,' Wilson said. 'We have found that this obsession with looking at messages, if unchecked, will damage a worker's performance by reducing their mental sharpness, roughly twice the IQ drop caused by marijuana.'"

Steve Johnson

Steve Johnson

Steve Johnson was a founding instructor at Pragmatic Institute, a role he held for more than 15 years before he left to start Under10 Playbook. In his return to Pragmatic Institute, Steve supports the complete learning path for product teams, ensuring they are fully armed for success. 

Over the course of his career, Steve has helped thousands of companies and tens of thousands of product professionals implement product management processes. He has worked in the high-tech arena since 1981, rising through the ranks from product manager to chief marketing officer. Steve has experience in technical, sales and marketing management positions at companies that specialize in both hardware and software. In addition, he is an author, speaker and advisor on product strategy and product management.

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