Normal blood wasn’t good enough for some athletes, so a research lab quietly developed SuperBlood.
It transported oxygen and hormones more efficiently than regular blood.
When they tried to test for SuperBlood, it showed up as normal blood.
Instead of banning SuperBlood, the leagues licensed it.
Athletes signed sponsorship deals.
High school kids got back-alley transfusions, and some bled out or got contaminated or fake batches and died.
There was an AIDS and Hepatitis D scare there, too.
Eventually, Yamaha developed artificial muscles that performed great regardless of blood.
If only scientists spent so much effort making people less stupid.