background: cancer is the third cause of death in iran and its incidence is rising alarmingly. however, a study reported that kohgilooyeh and boyerahmad (a small province in iran) seems to have substantially lower incidence rate of cancer compared to the other parts of the country. this study is conducted to investigate the epidemiological features of cancer regarding three key factors (sex, ag...

Americans are living healthier and longer lives, but the shifting age distribution is straining existing and projected social welfare protections for older adults (e.g., Social Security, Medicare). One solution is to delay retirement. Another is an alternative to "total leisure" retirement -- an "encore" stage of paid or unpaid engagement coming after career jobs but before infirmities associat...

backgrounds normal or elevated values of serum alanine aminotransferase level (alt) vary in different studies mostly related to characteristics of reference population including age, gender, body mass index, nonalcoholic fatty liver disease (nafld), and metabolic syndrome prevalence. objectives to measure upper normal limit (unl) for serum alt in an apparently healthy iranian old population (wh...

The Michigan Gender Identity Test (MGIT) was administered to 52 retarded and 36 normal children to assess the acquisition of gender identity. This instrument required the ability to sort and categorize photographs of boys and girls wearing conventional clothing and with conventional hair-styles. As part of the test, each child was expected to recognize a self-photo and to be able to categorize ...

Background: Network Scale-up (NSU) method is an indirect method for the estimation of hidden behaviors. In NSU, respondents are asked about the number of members they know from a subpopulation of interest (e.g., injecting drug user) and assume that the prevalence of risky behavior in the networks of a random sample of respondents is similar to that of the population. However, first, we need to ...