Breakthrough study uncovers the immune system’s ‘fountain of youth’

Breakthrough study uncovers the immune system’s ‘fountain of youth’

As you age, your immune system is supposed to slow down. It becomes less able to fight off infections, less effective at responding to vaccines, and more likely to stumble when facing cancer. But researchers at the Mayo Clinic have discovered that not everyone’s immune system follows this script. Some older adults in their 60s and 70s appear to carry what scientists are calling “immune youth” — a surprisingly young immune system that behaves mor…