Robert Yarchoan M.D.

Introduction G6PD is actually an enzyme and G6PD deficiency occurs when there is a deficiency of this enzyme. This condition is not fatal, but in acute as well as in the chronic breakdown of red blood cells, it causes a spectrum of complaints such as jaundice. This condition is inherited and a...

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...

Bronchitis and Asthma are both inflammatory conditions that affect lungs where a person’s airways swell up, causing them breathing problems.Asthma, also known as bronchial asthma, is characterized as a chronic condition in which a person’s airways become inflamed, narrow and swollen, and produce...

IntroductionWhen people say salt, they usually mean the common table salt. Salt is a mineral that is mainly composed of sodium chloride (NaCl). To distinguish table salt from a class of chemical compounds called salts, the terms rock salt or the mineral name halite is used. Sodium is also...

Ever heard of the saying, "Don't judge a book by its cover"? You might want to rethink it. This new study that includes more than 100 college students argues that looking at a person's appearance can help understand a few of their personality traits. The college students that participated in the...

OverviewA sore throat is often caused by the common cold, which can be a mild condition that resolves on its own without the need for medical treatment. However, there are also other causes of sore throats, such as strep throat and infectious mononucleosis or mono, which is caused by...