This book shares the experimental findings and views in current multidisciplinary medical science combining both basic and applied research aimed at resolving problematic health issues. The key topics address contagious diseases, in particular the epidemiology, clinical presentation, and management of influenza and influenza-like infections as well as brain tuberculosis. Pulmonary medicine is represented by articles addressing a range of practical issues, including the diagnosis, symptoms, comorbidities, and treatment of obstructive sleep apnea, a syndrome whose incidence shows a persistent upward trend worldwide. Other articles address the pathogenesis of air pollution toxicity and allergy and sensory irritation in toxic exposure studies. An intriguing relation of atopic dermatitis