Ninja rocks are broken shards of spark plugs formed by smashing the ceramic portion of the spark plug with a hammer or other large object.ince they can quickly and quietly fracture the glass side windows on most cars, ninja rocks have been used in  smash-and-grab  auto burglaries since at least 1995 (at least by Slovenian car burglers).
What is recurrent bacterial vaginosis? Recurrent bacterial vaginosis is an imbalance of the vaginal bacteria normally present in the vagina. Bacterial vaginosis is a common condition and treatment is available; however, in some women the condition may recur or even become chronic, requiring multiple and sometimes long-term treatments.
Bacterial Vaginosis (BV) Bacterial vaginosis, or BV, is a bacterial vaginal infection that arises when âbadâ bacteria is introduced into the vagina. The reasons that women develop BV are not completely known, but it is the most common vaginal infection among women of childbearing age. For more information on BV, visit the CDCâs website.