The article by Pan et al. in the May issue shows that the prevalence of myopia is very low in adults from two ethnic groups—Han Chinese and Yi (one of China’s national minority groups) living in the same rural area in Yunnan Province. The very low prevalence of myopia in both groups shows that myopia is not inevitable in East Asian populations, but requires exposure to environmental risk factor...

OBJECTIVES To screen for low bone mineral density among young adult Saudi women using quantitative ultrasound (QUS) and exploring the high risk groups. Methods: A cross-sectional study was performed on 279, 20-36 years old female students and employees of Taibah University, Al Madinah Al Munawwarah, Kingdom of Saudi Arabia between January and May 2014. The study included bone status assessed us...

Loss of muscular mechanical function occurs in several diseases affecting millions people worldwide, including heart failure, stroke, and neuromuscular disorders. To date, no medical or surgical treatments can restore contractility, the development artificial muscles is extreme interest. Mimicking biological muscles, which are optimized systems displaying quick reaction times, not trivial; only...

Polychlorinated biphenyls exposure damages the rat liver cells. Hematological parameters such as hemoglobin, packed cell volume, red-blood cells, white-blood cells, neutrophils, platelet counts, and RBC indices were significantly decreased. Polymorphs, eosinophil counts, and erythrocyte sedimentation rate were significantly increased. Serum liver enzymes such as aspartate transaminase, alanine ...

Introduction: Few pieces of evidence are available about the association between occupational exposure to vegetable oil and the risk of blood lipid problems. This study was aimed to investigate the relationship between exposure to vegetable oil and blood lipid profile in a vegetable oil factory. Materials and Methods: This retrospective cohort study was carried out on 30 male workers exposed t...