Mr. Mir Sharif Ahmad MD

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

What is pneumonia?    Pneumonia is the inflammation of the lung’s air sacs. It is a serious lung infection that can be caused by viruses, bacteria, or fungi.Your lungsYou have two lungs. Each lung has separate sections called lobes. Normally, as you breathe, air moves freely through your...

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...

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...

What is rapid shallow breathing?Rapid, shallow breathing, also medically called as tachypnea, is a term used to describe a breathing that is too fast, particularly when people have it due to a lung disease or other health conditions. Sometimes, rapid, shallow breathing and hyperventilation...

OverviewPulmonology is a subspecialty of internal medicine that focuses on respiratory health. The specialist called in this area of medicine is called a pulmonologist. Pulmonologists are specialists who diagnose and treat different conditions that are associated with the respiratory system of...