INTRODUCTION: Herpes is a very common infection caused by two different but closely related viruses. Simplex virus type 1 (HSV-1) and Simplex virus type 2 (HSV-2). It infects the nervous system, modifying the DNA of the nerve cells supplying the skin through which it entered. It may also play a role in the spread of HIV, the virus that is said to cause AIDS. The virus is spread by touching, kissing, and sexual contact, including vaginal, anal, and oral sex. It is most contagious when sores are open and “weeping” until the scabs heal and fall off. Herpes is estimated to affect some 80 million people in America.

INTRODUCTION: Arthritis is defined as the presence of swelling, the presence of effusion (The escape of fluid into another part), or the presence of 2 or more of the following symptoms: limited range of movement (ROM), tenderness, pain on motion, or joint warmth. It is a chronic disease that will be with you for a long time and potentially for the rest of your life and is diagnosed through a careful evaluation of symptoms and a physical examination.

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INTRODUCTION: Morning sickness is the sickning feeling you get during pregnancy and can be, but is not always, accompanied by vomiting. These nauseating feelings, which can actually happen at any time of the day, can really put a damper on your excitement about your pregnancy. It can only become a problem for your baby if you can’t keep any foods or fluids down and begin to lose a lot of weight. This condition and the others that occur around this time are almost always mild enough to manage on your own and occurs in 50 to 80 percent of new mother’s to be.

INTRODUCTION: Kidney stones, one of the most painful of the urological disorders, have troubled humans for centuries. They form when there is a high level of calcium oxalate or uric acid in the urine; a lack of citrate in the urine; or insufficient water in the kidneys to dissolve waste products.

INTRODUCTION: Cholesterol is a lipid (A greasy organic compound that is not soluble in water.) found in the cell membranes of all tissues, and is carried in the blood plasma of all animals. It is also considered a sterol (a combination steroid and alcohol) and is more abundant in tissues which either synthesize more of it or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain and is NOT soluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoproteins. Cholesterol is needed in the membranes of mammalian cells for normal cell function, and is either synthesized or derived from the diet, in which case it is carried by the bloodstream in low-density lipoproteins.

INTRODUCTION: Melanoma is a disease in which malignant (cancer) cells form in the skin cells called melanocytes (cells that color the skin). It may also occur in the eye and is called intraocular or ocular melanoma; however it can occur anywhere on the body. It is the most dangerous of the common types of skin cancer and oftens appears as an enlarging coloured skin spot, usually occuring in adults, but it is sometimes found in children and adolescents. The disease is more aggressive than basal cell skin cancer or squamous cell skin cancer.

INTRODUCTION: Bladder cancer refers to any of several forms of malignant growths of the urinary bladder. It characteristically causes blood in the urine; this may be visible to the naked eye (frank haematuria) or seen only by using a microscope (microscopic hematuria).

INTRODUCTION: Heart disease is a number of abnormal conditions that affect the heart and its blood vessels. Also called cardiovascular disease, it primarily affects older persons and indicates that there are problems with the heart and arteries.

INTRODUCTION: Testicular cancer is a disorder that occurs when cancerous (malignant) cells develop in the tissues of a testicle and is the most common cancer in men between the ages of 20 to 35. It is most common among Caucasians and rare among men of African and Asian origens.