Michelle Stacey Christopher M.D.

What is a nasal congestion?Cold, flu, and sinus infections are often few of the culprits that lead to sinus and nasal congestion. Most people must have experienced sinus-related pain and pressure in some point of their lives, and often, people tend to recover without taking antibiotics or any other...

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...

What does blood in semen mean?Blood found in urine or stool can be a cause for concern. Similarly, when a man comes across blood in semen, then it can make him anxious. The medical term for blood found in semen is hematospermia or hemospermia. Fortunately, blood in semen does not always indicate a...

It is well known that inherited mutations in BRCA1/BRCA2 genes increase the risk of breast and ovarian cancers, as well as other types of cancer. An altered mutation in the BRCA1 or BRCA2 gene can be inherited from an individual’s mother or father. ...

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...

IntroductionSome may consider fibromyalgia as a fairly new medical condition, but the truth is, this medical condition has actually existed for more than centuries. The term “fibromyalgia” first came into existence in the year 1976. Since the early 1800s, scientists and physicians have written...