Health officials in New York City say new statistics show an increase in syphilis infections among men and women. However, this is a small-scale example of a problem that is happening nationwide, they say. Unsafe-sex practices are being blamed for bringing the disease's old health dangers back to life after a drop in the 1990s. The New York Times reports that 260 cases of syphilis were recorded by the city's Department of Health and Mental Hygiene in the first quarter of this year, including ten cases of female infection. That is more than twice the number for the same period...