Dr. David G Preston M.D.

Recommended Articles

• What Conditions are Associated with Hip Pain?

  Severe pain in the hip may make it hard to walk or climb the stairs. Issues with muscles, tendons, ligaments, and bones may all cause hip pain. Many diseases and conditions may also result in pain. Location of the pain in the hip often tells about the actual cause behind the pain.In some cases, the...

• What Do Tonsils Look Like?

  Introduction Tonsils are a pair of lymphoid tissues that are located at the back of the throat. They belong to the lymphatic system and help fight infections. Normally, they are pinkish in color. However, sometimes, tonsils become enlarged, red, and irritated when they get infected.When they are...

• What Causes a Sore Throat?

  A sore throat is simply defined as pain, irritation or itchiness of the throat. A person having a sore throat may have difficulty swallowing foods and liquids. In addition, the pain may be exacerbated when you try to swallow. A sore throat can affect both children and adults. Symptoms of sore...

• Are Spas Safe?

  The word spa derives from the history of a small village in Belgium, where Roman soldiers would relax in local hot mineral springs to alleviate body aches. Bath techniques, similar to the ones the Romans took advantage of in Belgium, have been used to cure many ailments in different...

• Different Blood Types and What They Mean

  The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

• What Is Raynaud’s Disease: Causes, Symptoms, Diagnosis, and Treatment

  What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...