Dr. Jay Walter Nielsen M.D.

Recommended Articles

• Black Stool: What Does It Mean?

  What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

• Why Do Some Vaccines Have to Be Injected Twice?

   What is active immunity?...

• What Is Ferrous Sulfate?

  Ferrous sulfate is an essential mineral and a type of iron used for the treatment of iron deficiency anemia (IDA). When a person lacks iron, symptoms such as tiredness, shortness of breath, and decreased physical performance may be experienced.  Low levels of iron in the body can be treated by...

• Kimchi's Health Benefits and More

  Kimchi is a Korean side dish made with salted and fermented vegetables. This Korean staple side dish usually has cabbage, radish, garlic, ginger, and various seafood, with spices and seasonings. In the past, kimchi was stored in jars and buried in the ground to stay at a certain temperature suitable...

• Anemia Symptoms

  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...

• The Human Heart: Function, Chambers, and Location

  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...