Dr. Ahmad F Zegar MD

Recommended Articles

• Croup in Adults

  Croup is a very common respiratory infection in children, but it can also occur in adults. It can occur at any point and is quite infectious since the virus is often being dispersed through the air, which causes the infection to spread to others. Although rare, croup can also be caused by bacterial...

• What Are Lymphocytes? Low, Normal, and High Lymphocyte Counts

  Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

• Salon Employees Are Exposed to High Levels of Chemicals

  According to a new study, Vietnamese nail salon workers are exposed to high levels of chemical that can be harmful for the health. The study published in the American Journal of Public Health shows that these workers are exposed to unsafe levels of toluene, a solvent associated with a number of...

• What Is Metabolism?

  IntroductionMetabolism is a complex biochemical process that is needed to maintain life. Availability of nutrients and nutrition are closely associated with metabolism since metabolism is a process that involves the conversion of food into energy, which is used to fuel the body's cells. The basal...

• How Is Bronchitis Differentiated from Other Chest Infections?

  Bronchial tubes are the airways through which air travels and reaches the lungs. The inflammation of these bronchial tubes is called bronchitis. The inflammation is more often caused by a viral infection, smoke, dust, or other irritants.Bronchitis may be due to a chest infection, inflammation of...

• Is Yawning Contagious?

  Contagious yawning among total strangers is very rare, according to a new study. People are more likely to yawn when they see somebody yawning, if the other person is family member or friend. A recent study shows that yawning is a sign of social empathy and emotional bonds between family and...