Dr. Michael B Duvall M.D.

The lymph nodes behind the ears, in the neck and under the arms are some of the most notable lymph glands in the body. These glands store fluids and nutrients and help in filtering waste material out of the bloodstream as well as out from the body tissue. They also produce antibodies that help...

Sinus infections are one of the most common conditions that affect millions of people, and the issue may continue throughout their lives. Sinusitis, the infection of the sinuses, is known to affect nearly 37 million people in the U.S. There are people who try and test different varieties of...

Sleep apnea may seem baffling at first. How much do you really know about the disease? What causes you to stop breathing in your sleep? Is this a natural phenomenon? Are some people more prone than others? How can you prevent it? Having many questions about a potential condition is normal. Many...

Vertigo may be a temporary or permanent condition, which may all depend on its causative factor. Vertigo is a form of dizziness in which a person experiences a sensation of spinning or whirling motion. The two types of vertigo are subjective and objective. In subjective vertigo, a person feels as...

Vertigo is a fairly common condition that causes an individual to feel as if their head is spinning and he or she becomes dizzy. It is usually temporary, only for a few seconds to minutes, occurring only when you make sudden head movements, but sometimes it can be so severe that it begins to...

Can Sinusitis Cause Vomiting?Sinusitis is a medical condition that can be accompanied by a wide range of symptoms. The symptoms vary between individuals and also between adults and children. Yes, sinusitis can cause vomiting, but it occurs only in specific or rare cases, usually when the condition...