… Al Ghobain: principal investigator, study design, supervising the study, and writing the … ;
Mohamed S. Al Moamary: study design, data collection and writing the manuscript; Mohamed S. …

Background: Tobacco smoking kills more than 5 million people annually and it is the most
important cause of preventable death. Waterpipe smoking is common in the Middle East and …

Objectives: To produce a conceptually equivalent Arabic version of the Chronic Obstructive
Pulmonary Disease (COPD (Assessment Test (CAT (, and to assess its reliability. Methods: A …

BACKGROUND: Data on doping violation in Saudi Arabia are scarce. Our aim was to
investigate the Saudi experience of anti-doping and review all positive samples and adverse …

… Al Ghobain et al. This is an open access article distributed under the terms of the Creative
Commons Attribution License CCBY 4.0., which permits unrestricted use, distribution, and …

OBJECTIVE: To study the prevalence and characteristics of cigarette smoking among
secondary school students (16-to 18-year-old boys and girls) in Riyadh city, Saudi Arabia. …

Objectives: To investigate asthma prevalence and to measure asthma symptoms among
Saudi adults in Riyadh, Kingdom of Saudi Arabia. Methods: A cross-sectional survey using the …

We are reporting a case of solitary endobronchial papilloma located in posterior segment of
the left upper lobe of the lung with malignant transformation and negative human papilloma …

Background Most of the studies investigating the prevalence of asthma in various countries
have focused on children below the age of 15 years or adults above the age of 18 years. …

… Al Ghobain, M. Attitudes and behavior related to performance-enhancing substance use
among elite Saudi football players. BMC Sports Sci Med Rehabil 11, 35 (2019). …