"description": "Incidence (rate of newly diagnosed cases of the disease during a specified period of time, e.g., one month or one year); Period prevalence (the actual number people with the disease during a specified period of time); Lifetime prevalence (the proportion of people who have had the disorder at some time in their life); Lifetime morbid risk (the proportion of people who will eventually develop the disorder at some time in their life whether or not they have a lifetime history at the time of assessment).",