Dr. Janet Li Yu M.D.

Recommended Articles

• 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...

• 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...

• Guaifenesin Drug Interactions

  What is guaifenesin?It is an expectorant. It helps to cough out mucus through the mouth. It is known to reduce chest congestion caused by infections, common cold or allergies, respiratory illnesses, and bronchitis. It is not used to treat cough caused by smoking and long-term breathing problems....

• What Causes Binge Eating Disorder?

  It is very normal for anyone to overeat once in a while. However, when you start overeating on a daily basis and it starts getting out of control, it is probably time to visit a doctor and get checked for binge eating disorder. It is basically a medical complication that makes you want to eat all...

• Blood Blister: Causes, Symptoms, and Treatment

  What is a blood blister?A blood blister is a raised piece of skin that has blood inside it. Blood blisters are somewhat similar to blisters that have clear fluid in them. The blisters are usually harmless and tend to go away within a few weeks without treatment. A blood blister can contain blood,...

• Why Is Taurine Used in Energy Drinks?

  TaurineAmino acids are used to build proteins in the body. Taurine is classified as a conditional amino acid, which is not used to build proteins in the body. It is found throughout the body, but it is mostly concentrated in the brain, heart, eyes, and muscles. Taurine is produced in the body but...