Having shingles may increase the risk of having a stroke years later. Also known as Herpes zoster shingles is a viral disease that leads to painful skin rashes with blisters on one side of the body. 'Anyone with shingles and especially younger people should be screened for stroke risk factors. Studies are needed to determine whether vaccination can also reduce the incidence of stroke and heart attack' said study author Judith Breuer of University College London. People over 40 who had shingles were more likely to have a heart attack or TIA but not a