Recently, prospects for xenotransplantation brightened when Harvard geneticist George Church demonstrated the removal of dozens of endogenous retroviruses from the pig genome, in a tour de force of the CRISPR / Cas9 gene editing technique. (emoryhealthsciblog.com)
Molecular hydrogen appears to stimulate the production of endogenous antioxidants via the Nrf2 Pathway, meaning it up - regulates the body's own antioxidant system. (cancertutor.com)
No matter what glucose the human brain would need for whatever purpose, it's going to have it because of endogenous production in the liver. (factsonhgh.com)