Dr. Calvin M Johnson

Our lungs are separated from the chest cavity by a very thin membrane that folds onto itself, forming a two-layered membrane known as the pleura. Between the two layers is a small cavity known as the pleural membrane.This cavity is filled with a small quantity of lubricating fluid, the primary...

What are gallstones?Gallstones are stones that are formed either in your gallbladder or the bile duct. The gallbladder is a small organ located just under the liver. Its basic function is to hold bile, which is a digestive fluid secreted by the liver. The gallbladder releases bile when it is...

When it comes to keeping your skin smooth and hairless, laser hair removal might not be the first solution that comes to mind. It is known that laser hair removal requires more planning than simply shaving or using depilatories. However, maybe you have reached that point in your life where you are...

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...

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...

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...