Xiangling Zhang

Recommended Articles

• Viral vs. Bacterial Infections: Know the Difference

  IntroductionBoth bacterial and viral infections are caused by microbes, such as bacteria and viruses. These microbes are spread through the following:...

• What Is a Normal Heart Rate?

  What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

• Understanding the Health Benefits of Potassium

  We all know that potassium is one of the essential nutrients our body needs to perform different functions. Along with other key macrominerals including magnesium, calcium, sodium, phosphorus, sulfur, and chloride, our body needs potassium to maintain a healthy metabolism.Our body does not naturally...

• The History of Muscular Dystrophy

  What is muscular dystrophy?Muscular dystrophy is an inherited disorder, which is often characterized by a progressive type of muscular degeneration and weakness. There are several types of muscular dystrophy, wherein each type eventually leads to an increased disability, strength loss, and potential...

• How Long Can Sperm Live?

  Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...

• What Are Lymphocytes? Low, Normal, and High Lymphocyte Counts

  Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...