Sending a weak electrical impulse through the front of a person's head can boost verbal skills by as much as 20 percent, according to a new study by the U.S. National Institute of Neurological Disorders and Stroke.
...The only side effect reported was an itching or "fizzing" sensation around the scalp where the electrode was attached.
From the Seattle Times:
In the future, reality shows may have names such as "Extreme Makeover: Brain Edition" or "Sharp Eye for the Dumb Guy."...Some neurologists recently have wondered whether their field is the next frontier in elective medicine. The specialty now tries to protect ailing brains from conditions such as Parkinson's disease or migraine headaches. But doctors' efforts one day may extend to normal brains. There's even a name for the field: cosmetic neurology.
link via ALDaily