Key points from article :
Blood of the young could contain the key to a longer life.
Compound found in the blood of young mice is called eNampt.
eNampt is an enzyme that extended lifespan by 16 per cent when transferred to older rodents.
Animals receiving the treatment produced insulin more effectively, had healthier eyes, better memory.
Research is done by the University of Washington.
The study was published in Cell journal.