Dr. Jeffry T Evans M.D.

IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...

IntroductionPolyuria refers to frequent urination and passing excessive amounts of urine every time a person urinates. Normally, adults pass approximately 1-2 liters of urine per day. However, when there is an excessive urination volume of more than 3 liters a day, it is considered as...

What is RSV?RSV or respiratory syncytial virus is a common virus that usually affects the respiratory tract. It can cause colds in adults and older children, but may cause serious lung infections, such as pneumonia or bronchiolitis in babies and immunocompromised individuals. CausesRSV is only...

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...

What is strep throat?Strep throat is the most common form of bacterial infection of the throat and tonsils, resulting in inflammation and irritation. Strep throat is caused by different types of streptococcus bacteria. The severity of the condition differs from one type of bacteria to another. Not...

Hyperthyroidism is a health condition in which the body’s metabolism becomes slow, leading to the feeling of fatigue. This is caused by an abnormally low amount of thyroid hormone in the blood. This deficiency is caused by an impaired functioning of the thyroid gland. People may develop this...