Mobile phones are used around the world, however, there are no definitive rules regarding their appropriate use. In the absence of such codification, the researchers surveyed 225 American and 115 Chinese college students to understand their perceptions of etiquette and appropriate use of mobile phones both in the classroom and in other public…

Lutein and zeaxanthin (L/Z) were related to macular health. With respect to increasing life expectancy, age-related macular disease (AMD) has become a concern on public health. The objective was to investigate dietary L/Z intake and its related food preference in populations living in different areas. A three-day dietary record and a supplement…