Dr. Mark W Greenwood MD

Recommended Articles

• What Could Halitosis Mean?

  IntroductionHalitosis is also referred to as bad breath in layman’s term. Having bad breath can be embarrassing and may sometimes cause anxiety. Bad breath is commonly experienced by people. In fact, 1 in every 15 people experiences halitosis on a regular basis. Halitosis has a number of...

• What Tests Determine Conjunctivitis?

  Conjunctivitis is a very unpleasant eye condition that may cause discomfort and pain in the eyes. This disease has to be medically treated. Thus, it’s important to determine the causes and triggers of this disease. If you suspect that you have conjunctivitis, you should visit an ophthalmologist to...

• Decoding Facts About the Strep Throat Infection

  Is it a sore throat or a strep throat infection?Strep throat is a medical condition associated with bacteria that infect the throat and tonsils. The infection is caused by group A Streptococcus bacteria. This group of bacteria is usually spread through contact with droplets of an infected person....

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• Sore Tongue

  The tongue is made up of different muscles that help us speak, swallow, chew, or taste food. So when we have a sore tongue, it can be quite hard to ignore.Although a sore tongue is not always a cause for concern, emergency medical attention may be required in some cases, such as rapid tongue...

• Yawning Scientific Facts: Why Do We Yawn and Is It Contagious?

  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...