This is a list of things that make you dumber. Even smart people can become dumb during these everyday activities and situations. Gaining weight, using the internet, meetings at work, sharing an office, lack of exercise... to get smart, don't do the things on this list that are making you dumb.
Based on clinical studies, this list of proven things that make you dumber includes daily activities that affect your memory, ability to make decisions, learning ability, thinking capacity, self-control, reasoning, and overall brain functionality. In short, this is a list of stuff that makes you dumb.