If you’ve had chickenpox, the virus never fully leaves your body. Years later, it can reappear as shingles. Here’s what ...

Chickenpox may be fairly rare these days, thanks to the vaccine introduced for it in 1995. But if you’re one of the millions of Americans who had chickenpox in your youth, you probably know it can ...

Most vertigo episodes last from a few seconds to a few hours. However, severe vertigo caused by an underlying health condition may come and go over several weeks or months. In such cases, the vertigo ...

Unfortunately, the second time with varicella-zoster is usually much worse. Shingles can cause excruciating pain and ...

A growing body of research suggests that preventing the viral infection can help stave off cognitive decline. By Pam Belluck Pam Belluck reports on brain health and neuroscience. Getting vaccinated ...