Syphilis is a sexually transmitted disease caused by bacteria called Treponema pallidum. More than 36,000 cases were reported in the United States in 2006. Rates are highest in women aged 20 to 24 years of age and men ages 35 to 39 years. The...

The eye pupil is the hole in the middle of the iris, the colored part of the eye. Pupils dilate and shrink in response to light; two muscles control pupil size, according to "Fundamentals for Ophthalmic Personnel." Pupillary reactions are...
Syphilis is a bacterial sexually transmitted disease that affected 1,692 women in the United States in 2007, according to the Centers for Disease Control. Syphilis can be treated with penicillin during any stage; however, as syphilis becomes more...
Charcot foot, also called neurogenic arthropathy, is a condition in which the bones in a joint degenerate from nerve damage. "Dorland’s Illustrated Medical Dictionary" states that the name “Charcot” comes from a French...

Doctors use the term rash to describe a change in the color or texture of the skin, according to MedlinePlus. The appearance of a rash varies, depending on the cause, and ranges from small localized areas of redness to expanded areas of raised,...

A healthy reproductive system is vital for optimal fertility and overall health. Both men and women need to be aware of the possible diseases of the reproductive system and the effects these diseases could have on not only their health, but their...
There are many women who can set a clock by their monthly menstrual cycle. The menstrual cycle usually occurs at the same time every month. The uterus will prepare for an egg to be released from the ovaries by thickening the endometrial lining. If...
Sarsaparilla is a woody high-climbing vine native to South America, Mexico, the West Indies and other tropical parts of the world. For centuries, the ancient indigenous people of Central and South America used sarsaparilla root to treat sexual...