Background: Despite physical activity having several benefits, a considerable number of
Americans donot engage in sufficient exercise. Among the high-risk groups are African …

A healthy diet, physically active lifestyle and maintaining normal weight constitute the
cornerstones of prevention of several chronic diseases. The objective of this study is to …

Objectives This systematic and meta-analysis review was conducted to determine the status
of Iranian children and adolescents' physical activity. Content All the related articles which …

Background Unplanned pregnancy is an important public health problem. Most of the
unplanned pregnancies occur with using unsafe contraceptive methods. The psychological …