Dr. Maria Luisa Johnson M.D.

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  The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

• Can Pleurisy Destroy My Lungs?

  What is pleurisy?Pleurisy is the inflammation of the thin pleural membranes that line the lungs.What happens in pleurisy?A thin membrane called the pleura lines your lungs. The pleura are double-layered membranes that line your lungs as well as the inner aspect of the chest wall. Between these...

• What is a Lung Biopsy?

  A lung biopsy is a medical procedure which involves removal of a small piece of lung tissue to examine it closely under a powerful microscope. Lung biopsy can be done in 4 different ways. However, the method used depends solely on the overall body health and the place of the lung where the sample is...

• What Is Nicotine?

  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...

• The Trauma That Comes with Cystic Fibrosis

  Not many know too much about cystic fibrosis, and even fewer have any idea of the true trauma it can cause.About BradBrad Dell is 24 years old, and is living with cystic fibrosis. Not only that, but he is also deaf, making the entire situation even more difficult. Approximately one year ago, he was...

• Marvel Comics Supports Cody Sheehan's Captain America Campaign for Cystic Fibrosis

  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...