The last paragraph says it all: Even after all that, many medical experts still question how much human disease can be traced to viral invasions that took plac

The last paragraph says it all: Even after all that, many medical experts still question how much human disease can be traced to viral invasions that took place millions of years ago. If the upcoming human trials work as well as the animal experiments, the questions may be silenced—and so may the voices of schizophrenia.