نتایج جستجو برای: aged population

تعداد نتایج: 847085  

Abstract Introduction: population aging refers to an age imbalance of the population so that the ratio of young population decreases while aged population grows. Decrease in fertility rate and growing life expectancy are the two key factors in emergence of population aging. The macro economy effects of population aging on economic growth was examined based on the effects of two factors includ...

Journal: :Journal of Education, Health and Sport 2022

Frequent involvement in risky sexual behaviors among members of society is a threat to their health. It’s also social problem, as it increases the risk spreading STDs and unwanted pregnancies.
 The aim study was check susceptibility Polish population aged 15-63. research method an original online questionnaire. A total 294 responses were obtained from people different gender, age, place re...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید