Dr. John Joseph Mcgillen M.D.

It's true. Many people today have dietary restrictions. Some may have an allergy to nuts, while others might not eat meat or dairy. One diet that is very popular right now is the gluten-free diet. The number of people that are on a gluten-free diet today is only increasing. In fact, as many as 3.1...

Chickenpox is an infectious disease caused by varicella zoster virus. It is very common among children but may affect adults also. Infection by this virus causes red blisters in different parts of the body. This skin condition has become less common with the advent of chickenpox vaccination. The...

The American actor Charlie Sheen, who most people remember as the lead actor in Two and a Half Men (before being replaced by Ashton Kutcher) and a popular tabloid fodder, broke the news on Today with Matt Lauer that he has been HIV-positive for four years. Sheen revealed that he was compelled to...

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...

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...