Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide. It results in a substantial and increasing economic and social burden for individuals, families, health care organizations, ...

Environmental tobacco smoking (ETS) is an important worldwide public health hazard. The health effects of chronic exposure to ETS are well documented and a growing body of literature indicates that exposure to ETS constitutes ...

Medical waste is a growing problem in the world and in Armenia. Health care services, while working to reduce health problems, inadvertently create waste products, which may themselves be hazardous to human health and ...