It only takes one time. One time — one infection, one invasion, one intruder — but your immune system remembers. Remembers so vividly that next time the same assault comes, you suffer dramatically less or not at all. Incredible isn’t…
It only takes one time. One time — one infection, one invasion, one intruder — but your immune system remembers. Remembers so vividly that next time the same assault comes, you suffer dramatically less or not at all. Incredible isn’t…
