Moreover, for diseases such as lung cancer (which is a potential outcome resulting from some nanoparticle exposure), no strong evidence base exists for routine screening; and general population screening for lung cancer is not generally recommended [ National Cancer Institute (NCI) 2006].
No studies examined general population screening.
Some guidelines recommend kidney function testing of patients with benign prostatic hyperplasia; however, the significance of extending this to general population screening is unclear.
For biological monitoring of lead exposure of the general population, screening campaigns, utilizing lead in blood as a biomarker, have been carried out since the 1970s.
The U.S. Preventive Services Task Force recommends that, for the general population, screening should begin at age 50, based on the knowledge that about 90percentt of cases occurs in those 50 and older.
In the general population, screening of large groups is not currently considered effective, although newer techniques, and the screening of tightly targeted groups, are being evaluated.
(Grade D) Table 4 lists the WHO criteria for general population screening.
Clearly, considerable work must be done before instituting general population screening.
Only about a half of WLWH followed the general population screening program before HIV diagnosis.
Because of this, from a public policy perspective, general population screening for HH is not indicated.
However, except the CAST, only the ASSQ and SCQ have been used in general population screening.
