Dr. Omar A. Khan MD, MHS

Recommended Articles

• What Causes Cat Scratch Fever?

  What is cat scratch fever?Cat scratch fever is also known as "cat scratch disease", which is a type of bacterial infection. The disease got its name because humans contract the infection from cats that are infected with the bacterium called Bartonella henselae, which is one of the most common...

• Atrial Fibrillation: Get the Facts

  Atrial fibrillation is a heart condition that occurs due to an irregular or abnormal beating of the heart. It is a serious medical condition that can result in fatality if not treated.An abnormal heartbeat takes place when the pace of the atria and that of the ventricles are not in harmony. The...

• How to Get Rid of Athlete's Foot Fast

  What is athlete’s foot?Athlete’s foot is a type of fungal infection that affects the feet or toes. This fungal infection is medically known as tinea pedis. The fungus that causes the infection usually feeds on keratin or the skin protein. Keratin is found in the skin's top layer, including...

• Lactose Intolerance: Get the Facts

  Lactose intolerance is a digestive problem where the body cannot digest the lactose present in milk and dairy products. Lactose is naturally occurring sugar found in dairy products. It is the main carbohydrate found in all types of milk.In a very small number of cases the production of lactase may...

• 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...

• What Is Shivering: 15 Conditions That Might Cause Chills

  What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...