Dr. William Donnell Heath M.D.

What is rumination?According to various research studies, one of the important factors or causes of depression and anxiety is rumination.When people ruminate, they continually contemplate about certain problems or thoughts without end. Most of the time, individuals who are depressed have episodes of...

Melanoma is a type of lethal skin cancer. Often developing from a mole, it is caused by mutation of the skin cells due to damage in their DNA. These mutations result in a tumor formation within the cells that contain melanin (the pigment that gives skin its color) in the epidermis. The color of a...

Parkinson’s disease is a type of condition that affects the brain wherein a low level of dopamine would limit the person’s movement. This low dopamine level would be the main cause of Parkinson’s disease as a whole, although it is still not known as to what causes the low levels of dopamine in...

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...