Dr. David D Morrissey M.D.

In a thyroid biopsy, a small tissue sample of your thyroid gland is removed and then examined under a microscope to test for an infection, cancer cells, and other thyroid disorders. The thyroid is a small gland located in lower part of the neck, just below the larynx. The gland's main function is...

Tonsils are a pair of soft tissues present just at the back of the throat. They are a part of the lymphatic system, which helps in fighting infections. They work round the clock to protect us from harmful microorganisms. They can vary in size and also swell in response to any type of infection.Fact...

What is sleep apnea?Sleep apnea is a serious form of sleep disorder that occurs when a person's breathing is often interrupted while sleeping. The brain and other parts of the body do not get enough of oxygen when sleep apnea remains untreated. There are two main types of sleep apnea:...

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A virus is the reason that causes most cases of laryngitis, just like a virus causes most cases of a cold. Viruses are contagious and therefore you can acquire any of these conditions from other people who are infected. Some people develop sinusitis immediately after they catch a cold, while others...

Mumps occurs mostly in children and is caused by a paramyxovirus. However, certain viruses like influenza, cytomegalovirus, and Coxsackie virus can also demonstrate swelling of the salivary glands similar to that of mumps. Mumps can be passed through infected saliva after a sneeze or a cough....