Dr. John D Mesko M.D.

Seasonal Affective Disorder or SAD is a type of depression that comes and goes with the seasons. It starts during winter, usually stemming from a low amount of natural sunlight and is often lifted in the months of summer or spring. The symptoms often can begin in autumn as the days start getting...

What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

A pregnancy test can provide an accurate result up to ten days after intercourse. If the test is done early, its accuracy is reduced. The standard time frame is 10 to 14 days following sexual intercourse. HCG is produced two weeks following conception or ovulation; therefore, a false result may be...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...