Dr. David A. Fields MD

Recommended Articles

• What Causes Hair Loss?

  Normally one loses up to 100 strands of hair per day, which is completely normal. Many people lose their hair as they grow older, which is not meant to be alarming. In most cases, losing a few strands here and there may not make a noticeable difference in the scalp.There are different types of hair...

• The Best Diet for Hemorrhoids

  Hemorrhoids are caused by an increase of pressure in the anal and rectal veins. This pressure can be caused by standing or sitting for too long, poor posture, anal intercourse, and many other things. However, the most common root causes of hemorrhoids are dietary and lifestyle choices. This means...

• 6 Reasons Why You Are Coughing Up Green Mucus

  IntroductionMucus is a moist film, which helps keep your nose from drying out and protect your lungs from foreign substances, such as bacteria, viruses, dust, and other harmful intruders. It keeps you healthy but you may only notice it whenever you are sick. Mucus becomes thicker when you are sick,...

• Everything You Need to Know About the Zika Virus

  What is Zika virus?Zika virus (Flavivirus) isn`t a new virus, initially, it was found in Uganda and called after the place where the virus was first detected- Zika forest (1947). It is a mosquito-borne virus, which is transmitted from a particular species of infected insects (Aedes), the aggressive...

• What Does a High Red Blood Cell (RBC) Count Mean?

  OverviewRed blood cells (RBCs), also called erythrocytes, are the cells that carry oxygen throughout the body. They are also one of the major components of blood. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. When you have signs and...

• 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...