Mr. David L Schoon M.D.

Defined in very simple words, amenorrhea is the absence of a menstrual period in a woman during her reproductive age. Normal menstruation starts at the age of 12, but the range can vary. Amenorrhea may exist when a woman does not experience periods for three months in a row or her first period by...

Immunotherapy, in general, is a treatment process that uses some medications to activate an individual's own immune system to effectively recognize and kill cancer cells. Immunotherapy for melanoma is based on the principle that a person’s own immune system is able to generate an immune response...

The normal process of aging is the leading cause of cataracts. The eye’s lens slowly loses its clarity and gets cloudy as we age. As a result, the quality of vision decreases. Cataract surgery is recommended when your life’s quality starts to suffer.It is important to know how to prepare...

Giant papillary conjunctivitis (GPC) is also known as contact lens-induced papillary conjunctivitis (CLPC) because it is the most common symptom with people who wear contact lenses. GPC forms small nodules on the inner side of the eyelids as a result of foreign body irritation. Moreover, people who...

Whether roasted or raw, walnuts are the best nuts and have an abundance of heart healthy nutrients. In a recent study, researchers compared the amount of polyphenols — the powerful antioxidants — in nine types of roasted and raw nuts. They also measured the amount of these antioxidants in two...

There exist many symptoms that make the mononucleosis disease similar to other diseases, which makes it very difficult to distinguish it from other infections. Doctors administer treatment of the patient by giving him or her a physical test. This annual test checks out the patient's medical history....