Mr. David R Ralston MD

According to a statistic, 65 million people have moderate to severe chronic obstructive pulmonary disease (COPD) around the world. More than 3 million people have died because of COPD in 2005, which corresponds to 5 percent of all deaths globally. This puts COPD as one of the major causes of...

Can COPD Develop in Children?By definition, COPD is a serious lung condition that has developed over a long period of time. Numerous studies explained that children cannot have COPD; however, the disease process can begin at a young age.One can observe the symptoms associated with COPD in a child,...

What is laryngitis?Laryngitis is the swelling of your voice box. It is often caused by an infection, mostly by a virus. The voice box is also known as the larynx. It links the back of your throat to the windpipe. The vocal cord and larynx are part and parcel and are required for speech. Laryngitis...

Croup in AdultsAlthough croup is commonly observed in children who are 6 months to 3 years old, it is also possible for adults to get the infection in rare cases. Croup is a viral respiratory infection caused by human parainfluenza viruses (HPIVs). However, other causes of croup may include...

For those who have fibromyalgia, there are various symptoms that will be experienced. Recent studies show that having other underlying conditions, such as asthma, is one of them. What does asthma have to do with fibromyalgia and how does this chronic illness affect your breathing?Studies have shown...

Cystic fibrosis is a genetic condition that afflicts individuals from birth. Over the years, the prognosis of the condition has gotten far better, but at one point in time, the disease was so devastating that individuals diagnosed at birth rarely lived past childhood. Such was the case for Cody...