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If one wants help for anxiety or depression, to improve his motor skills or attention span, to get rid of his migraine or get smarter, to learn a new language quickly, or to increase confidence, he can choose to zap his brain with some electric current using a device called transcranial Direct Current Stimulation (tDCS). Users of the device/method claim that it helps them with their troubles such as relieving anxiety or assisting them to concentrate better. The author of the article sets out to investigate this “neuroscientific” trend:

http://thelongandshort.org/issues/season-four/hooking-up-zapping-your-brain.html

And, here are some ridiculous findings:

http://harpers.org/archive/2015/04/findings-72/

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