My personal advice: Don't get in that time machine and travel back! Not if you are on any sort of meds.
[0] e.g. https://www.gocomics.com/tomthedancingbug/2010/11/12
If you shed MSRA you could make all the drugs of the 20th century ineffective killing billions.
If you shed MSRA you could make all the drugs of the 20th century ineffective killing billions.