Dr. Jeffrey S Nelson M.D.

Recommended Articles

• Children Who Have Low Levels of Vitamin D Are at Risk for Infection

  A new study has shown that infants who are 3-months-old and have vitamin D levels lower than 25 nanomoles per liter (nmol/L) are two times more likely to have respiratory infections, when compared to children who have levels above 75 nmol/L. In this study, published in the journal Pediatrics,...

• Bronchitis in Children

  Children when they get a cold also tend to get a cough. In most of the cases, it occurs due to bronchitis which is an inflammation of the lining of the trachea and bronchi. It is usually a mild illness that affects children.Having a child who is constantly getting a cold or having breathing problems...

• Croup: Making a Diagnosis

  Croup is a common viral infection among children. It causes inflammation and swelling of the trachea (windpipe) and larynx (throat). As a result, a barking cough and noisy breathing often occur. Children under five years old are the most susceptible to the condition.Children who contract croup...

• What Causes Lung Cancer?

  Lung cancer is the unsuppressed growth of cells in the tissues of the lungs. Such a condition leads to a tumor (malignant) which may spread (by metastasis) to different organs of the body if not treated in time. Cancer of the lung at the primary stage is also known as carcinoma. The two types of...

• What is Cystic Fibrosis?

  Cystic fibrosis is a life-threatening, inherited disorder, which affects the secretory glands producing mucus and sweat. Fluids secreted by the glands are usually thin. In this disease, the secretions become thick and sticky and block all passageways and ducts, particularly of the lungs and...

• What Are the Early Signs of Lung Cancer?

  Lung cancer allows a five-year survival limit, and that is if the disease has not spread elsewhere in the body. This is all the more reason to be alert to early warnings of cancer’s approach. With early detection, cancer survival ratings improve remarkably.1.   Misery and mood swingsCarrying the...