Dr. Matthew M Drewry MD

Hypothyroidism refers to the medical condition in which the thyroid gland is unable to produce an adequate amount of hormones. These hormones are extremely important in various body functions. Low levels of thyroid hormone may result in the characteristic symptoms of hypothyroidism. This condition...

Strep throat is the infection of the throat and tonsils by the streptococcus bacteria. Bacterial infections are one of the causes of sore throats and are very common in children and adolescents. The severity of a sore throat depends on the type of streptococcus causing the infection. Moreover, sore...

A new review of studies shows that physical activity and exercise may help children to perform better in academics. According to the researchers physical activity improves the functioning of the brain and enhances thinking skills by increasing blood flow and oxygen to the brain cells. Exercise also...

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

IntroductionWhen people say salt, they usually mean the common table salt. Salt is a mineral that is mainly composed of sodium chloride (NaCl). To distinguish table salt from a class of chemical compounds called salts, the terms rock salt or the mineral name halite is used. Sodium is also...

“People often come to doctors because of chronic tiredness. It is one of the most common complaints that bring them to the doctor”, says J. Fred Ralston Jr., MD, an internist practicing in western Tennessee and past president of the American College of Physicians. Ralston adds that there are...