The new data bolsters pre-existing concerns about the prevalence of teen use of e-cigarettes.
The National Institute on Drug Abuse reports the prevalence of MDMA (the active ingredient in Molly) is 12.9% in youth age 18-25.
Some outside the Vatican blame celibacy for the prevalence of predator priests, but the Vatican insists that there is no link.
1590s, "fact of having mastery," from Middle French prévalence (15c.), from Late Latin praevalentia, from praevalens, present participle of praevalere (see prevalent). Meaning "condition of being widespread or general" is from 1713.
prevalence prev·a·lence (prěv'ə-ləns)
The total number of cases of a disease in a given population at a specific time.