Sarah A Mcmullen M.D.

Recommended Articles

• How Do You Get Mono?

  What is mono?Mono is the short form of the disease called infectious mononucleosis. It is also popularly called as the "kissing disease". It is a very common disease, typically caused by the Epstein-Barr virus (EBV). It leads to extreme tiredness and feelings of weakness for several weeks or...

• What Is the Purpose of the Hormone Prolactin?

  What is prolactin?Prolactin or luteotropic hormone (LTH) is a peptide hormone, which promotes milk secretion in female mammals. This hormone also plays a significant role in pancreatic development, immune system regulation, and metabolism. When women become pregnant, their prolactin levels increase...

• What is Degenerative Disc Disease?

  Degenerative disc disease is characterized by the breakdown of the intervertebral discs — the soft discs that act as shock absorbers and provide flexibility to the spine. This condition is not a disease, but it is a common change that occurs with age. It is a common age-related change in which...

• Why Is Chemotherapy Used for Lupus?

  What is Lupus?Systemic lupus erythematosus, also known as lupus, is a disease of the immune system. The immune system protects the body from infection. In lupus, however, the immune system turns against the body, leading to tissue damage and illness. Thus, lupus is called an autoimmune disease.Men...

• What is Sinusitis? Get the Facts

  The sinuses are four interconnected hollow spaces within the cranial bones of the face. These airy cavities exist as mirror opposites on either side of the nose and under the forehead. They are lined with mucus-secreting epithelium and thin hair-like growths called cilia. Acute infection,...

• Causes and Treatment for Dry Cough

  IntroductionA dry cough is a type of cough that does not accompany the production of mucus or phlegm. Most cases of dry cough are caused by certain allergic reactions from allergens, such as pollutants, dust, or toxins. The body usually tries to expel these irritants by coughing it out. In some...