Dr. David Mark Mcgrew M.D.

Rheumatoid arthritis (RA) is an autoimmune disease in which the body’s immune system mistakenly attacks the joints. This situation creates inflammation that causes the tissue lining the inside of joints to thicken, resulting in swelling and pain in and around the joints.Rheumatoid arthritis is a...

Herbs in small doses are proper medicines. Our ancient ancestors, knowing of the powers of herbs, collected them in a particular accordance with motions of the Moon and Sun.Today, scientists have learned almost everything about all the possible influences of herbs on our body and are aware of...

The hiatus is the opening in the diaphragm through which the esophagus goes and attaches to the stomach. Hiatal hernia is a condition that results in a part of the stomach pushing upwards through the opening into the chest. Small hiatal hernia may not affect you, and you may not realize unless the...

Drugs used to treat erectile dysfunction may be helpful in relieving some of the symptoms of benign prostatic hyperplasia (BPH). This was reported from a study conducted by Claus G. Roehrborn, MD, with the University of Texas Southwestern Medical Center and colleagues. About 1,058 men, who had...

Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

Pneumocystis carinii pneumonia (PCP) is a very serious disease, which is characterized by a fluid buildup and inflammation in the lungs. This lung infection is caused by the fungus Pneumocystis jiroveci. It is an opportunistic disease that usually infects immunosuppressed individuals, especially...