Key points from article :
Researchers inject mice with blood plasma from humans of different ages – babies, 22 and 66 years old.
Mice were the equivalent of around 50 years old.
Most dramatic effects seen with babies’ cord plasma.
Mice became faster learners and were better at remembering their way through a maze.
Umbilical cord plasma contains a protein called TIMP2 whose levels in blood decline with age.
TIMP2 inhibit a group of enzymes called matrix metalloproteinases.
The study was published in the Nature journal.
