Medical Discovery News, June 14, 2008 Saturday's edition of Medical Discovery News, by UTMB professors Norbert Herzog and David Niesel, focused on people over 60 who had chicken pox years earlier. They note that the virus that caused the disease remains hidden in certain nerve cells. As people age their immune systems weaken, opening the door for the virus that caused chicken pox to cause shingles, a painful condition that can last for months. They recommend getting a dose of the shingles vaccine to prevent the condition. Medical Discovery News airs at 10 a.m. on KUHF-FM in Houston. The program is aired by 48 radio stations.