Kara Johnson

Hemorrhoids can either be internal or external depending on their location. If they develop in the rectum, then they are internal, and if they develop in the anus, they are called as external hemorrhoids. However, internal hemorrhoids can enlarge and move out of the rectum and outside the anus....

Saddle ParesthesiaA set of severe sciatica symptoms are described in saddle paresthesia. These symptoms can occur in the buttocks, perineum, and groin. Sometimes, this condition is also referred to as saddle anesthesia. When there is a sensation of tingling and numbness in the affected area, the...

Every year about 20,000 new cases of lyme disease are reported. Although doctors are starting to understand the disease better, many of its aspects are still poorly understood. One of the questions still heavily debated is whether lyme disease is debilitating.In its initial stages, lyme disease is...

Scientists recently discovered the altered expression of one protein in the body that may change the way physicians treat and diagnose lupus in the future.Lupus is an autoimmune disease, in which the body starts attacking its own major tissues and organs. It is a disease that does not have any fixed...

If skin care products cause irritations like itching, swelling and redness, your skin is sensitive. “As such, there is not a definition for sensitive skin”, says Rachel Herschenfeld, MD, FAAD, a dermatologist in Wellesley. All dermatologists can determine if the skin is sensitive. According to...

Tuberculosis, or TB, is a serious bacterial infection that often affects the lungs. It may also spread to other parts of the body, like the central nervous system, lymphatic system, and circulatory system. Treatment for tuberculosis may take a long time. The infectious organism may spread from one...