"The main reason for that is your immunity starts to decrease as you get older." ...
Evidence suggests reactivations of the varicella-zoster virus may accelerate aging and raise dementia risk. Now scientists want to know if vaccines and antivirals could help protect the brain. In 2010 ...
"One of the other things that can happen that's more serious is if you get shingles on the head, it can infect the eyes." ...