Dr. David B Hill M.D.

IntroductionA dry cough is a type of cough that does not accompany the production of mucus or phlegm. Most cases of dry cough are caused by certain allergic reactions from allergens, such as pollutants, dust, or toxins. The body usually tries to expel these irritants by coughing it out. In some...

Discussing with a child that they have a muscle wasting disease is not easy. People who are diagnosed with muscular dystrophy have a mind that functions normally, but a body that does not. Being a parent of a child with MD revolves around acceptance. When you get past the initial fear and...

What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

What is mono?Mono is the short form of the disease called infectious mononucleosis. It is also popularly called as the "kissing disease". It is a very common disease, typically caused by the Epstein-Barr virus (EBV). It leads to extreme tiredness and feelings of weakness for several weeks or...

Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

What is zinc?Zinc is a mineral that plays an important role in many different chemical reactions in your body. The human body uses this mineral to fight off infections, maintain acid-base balance, promote growth and development, boost antioxidant activity, and regulate gene expression, among...