Passive smoking, also known as involuntary smoking, occurs when a non-smoker is exposed to what technically is called "environmental tobacco smoke," according to the National Institutes of Health. Secondhand smoke is a combination of both smoke...
Your immune system plays an important role in identifying and destroying pathogens. Your immune system produces five classes of antibodies, known as immunoglobulins. Immunoglobulins help protect your body from viruses, bacteria and other...
Human immunodeficiency virus (HIV) is a viral infection that causes progressive destruction of the body's disease-fighting white blood cells, eventually causing the onset of AIDS (acquired immunodeficiency syndrome). Children who are born with HIV...
COPD stands for chronic obstructive pulmonary disease. According to HealthCommunities.com, more than 16 million Americans have COPD. COPD is the collective name for several disorders that affect the lungs and become chronic over long periods of...
Most children get minor infections and colds and yet, even children who have them a lot do not have an immune system disease. According to Lora Stewart, M.D. of the Department of Pediatrics at the University of Colorado School of Medicine, a...
There are a number of diseases that can affect the lungs, causing them not to work properly. There are three main categories of pulmonary, or lung, diseases: those that affect the airways, those that cause scarring and inflammation of the lung...
