In 2018, Canadian researchers discovered how to convert blood types A, B and AB to universal donor O-negative. They found that human gut bacteria makes a class of enzymes which react with the non-O type red blood cells, essentially transforming them into O-negative. – Tiny Fox Lab Facts
Convert Any Blood Group to Type O
Being O- was the only thing that made me notable and now it doesn't even matter.
Jesse, posted on 10/02/2019, 2,485 views