Dr. David R Witt MD

Recommended Articles

• Yawning Scientific Facts: Why Do We Yawn and Is It Contagious?

  What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

• Best Home Remedies for Heartburn

  Heartburn is usually triggered when stomach acid travels up toward the esophagus and cause a burning feeling in your throat or chest. It can be a very unpleasant feeling, but there are natural home remedies that can help relieve it aside from taking over-the-counter medications. However, it's time...

• Recognizing Dehydration Symptoms

  Dehydration happens when your body loses fluids more than the amount that you have taken in, especially water. You can develop dehydration by sweating a lot, by urinating too much, or it can also occur due to an inadequate absorption of water to your body due to certain illnesses. All of these...

• The Four Stages of Hemorrhoids

  Although sometimes embarrassing, hemorrhoids are quite common. Statistics indicate that one in every two people has had hemorrhoids at least once in their lifetime. Both men and women are affected by hemorrhoids.There are two types of hemorrhoids; internal and external. Internal hemorrhoids, as the...

• What Does Dark Stool Mean?

  A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

• 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: ...