Dr. Marylyn A Martin-naar M.D.

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Hemorrhoids are caused by an increase of pressure in the anal and rectal veins. This pressure can be caused by standing or sitting for too long, poor posture, anal intercourse, and many other things. However, the most common root causes of hemorrhoids are dietary and lifestyle choices. This means...

What is tonsillitis?Tonsils are two glands located at the back of the throat and can be seen through the mouth. These glands help prevent infections from developing in the body. Tonsillitis happens when the tonsils become inflamed or infected by viruses or bacteria. Tonsillitis is a common...

A warning has been issued by the FDA and the Consumer Product Safety Commission (CPSC) against the use of sleep-positioning devices for babies. About 12 deaths have been reported with the use of these devices in the last 13 years.FDA principal deputy commissioner, Joshua Sharfstein, reported that...

The liver primarily produces cholesterol. Each day, it makes 1,000 mg of cholesterol. The cells lining the small intestine can also produce cholesterol. If the level of cholesterol in the body is low, it may mean that the body is producing low amounts of cholesterol and is going to shut down. In...

The appendix found in the human body was long the subject of debate among doctors all over the world in their journals and reviews. However, very few of these debates have turned out to be worthy of serious consideration because the majority of doctors have conceded the fact that the appendix serves...