Dr. Cai Yuan MD

Recommended Articles

• What Is Leukopenia: Symptoms and Causes

  What is leukopenia?Leukopenia is a condition in which abnormally low white blood cells are circulating in the blood. This condition can be diagnosed using a blood test called complete blood count (CBC). A normal white blood cell count is usually between 3,500-11,000 WBCs per microliter. People...

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• 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...

• Male Menopause: It Does Exist

  European researchers have identified a few physical and psychological symptoms accompanied by low levels of testosterone, which will enable doctors to diagnose male menopause or late-onset hypogonadism. Male menopause refers to a reduction in testosterone levels, which is a result of aging. Contrary...

• What Is a Charley Horse?

  What is a charley horse?A charley horse is a term used when referring to a muscle cramp or spasm. Although muscle cramps can occur in any muscle in the body, they are commonly experienced in the leg. In a muscle spasm, the muscle uncontrollably contracts and does not relax. When the contracting...

• 5 Tips On Living with HIV

  HIV, which stands for human immunodeficiency virus, is an infection that attacks the human being's defense system. When the infection gets into the body, it slowly destroys the immune system, leaving the body weak to various infections. As the virus continues to stay in the body, it develops from...