Tác giả: Helai Huang

Road safety is a socio-economic concern. With rapid increase in motorization in the last 50 years, road traffic crashes have also become a major global health problem. Worldwide, an estimated 1.2 …

Sports participation by adolescents is considered a rite of passage in Western society. Adolescents participate in sports for many reasons. Most play sports for fun. Other reasons include, personal …