Dr. Yili Guo M.D.

Recommended Articles

• Levator Scapulae Muscle: Function, Trigger Points, and Anatomy

  Levator Scapulae MuscleThe levator scapulae is a long muscle, which is located at the back and side of the neck. It is known to end at the top of the shoulder. Its Latin name indicates its function of lifting the scapula. Regardless of muscular development, this long muscle is difficult to see. It...

• What Causes Fatigue?

  Fatigue is the feeling of exhaustion when you lack adequate energy and strength to continue with the work. In most cases, the person with fatigue feels like taking rest due to the lack of energy. This is different from the general weakness wherein the person lacks enough muscle and physical...

• Should I Receive a Flu Shot this Year?

  The common flu, or influenza, is an illness that affects about 20% of the population throughout the country every year. This seemingly harmless virus may lead to a number of health complications, which can be life threatening. Flu shots are one of the most efficient ways to prevent this viral...

• 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...

• Is Stiff Neck Serious?

  Somebody calls you from behind and you turn your whole body instead of your neck? This is a clear sign of stiff neck! Most of us would have been in that awkward situation where you wish that you need not move that delicate part of your body. Issues with the neck arise mostly during physical...

• What Is HSV-1?

  Herpes Simplex Virus 1 (HSV-1)HSV-1 or herpes simplex virus type 1 is a type of herpes simplex virus that causes cold sores. It is called "oral herpes" because it often causes sores around the mouth or on the lips. Cold sores are also called as fever blisters. However, the sores can also be found...