The outbreak of a mysterious disease ravaged Europe in the late 15th century, shortly after Christopher Columbus and his crew returned from the Americas. Experts have debated for centuries where this ...

There are varying and misleading notions of how people can contract or transmit syphilis, a sexually transmitted disease (STD). What you need to know is that the infection can sometimes be active or ...

Neurosyphilis (NS) is a bacterial infection of the central nervous system (CNS). It is a complication of the sexually transmitted disease syphilis. Neurosyphilis can develop at any stage of syphilis.