Dr. Kelly Morgan Carlisle M.D.

What is Smegma?In uncircumcised males, smegma is a sebaceous matter made up of oil and dead skin cells, which accumulates under the foreskin. In females, it accumulates around the folds of the labia. It is not a serious condition and not a sexually transmitted infection. However, a smegma buildup...

Background noise from the TV, when we leave it on without watching it, may affect young children, reports a new study. The study also reports that children in U.S. are exposed to an average of four hours of background noise from the TV. The results from the study were presented in the International...

The swelling of the feet, legs, and ankles is also known as peripheral edema. This refers to a condition where there is an excessive accumulation of fluid in these parts of the body. It is not a painful condition unless the underlying cause for it is an injury to that area. However, it is a very...

Fatigue is the feeling of exhaustion when you lack adequate energy and strength to continue with the work. In most cases, the person with fatigue feels like taking rest due to the lack of energy. This is different from the general weakness wherein the person lacks enough muscle and physical...

What is biotin?Biotin is a water-soluble vitamin also known as vitamin B7. This vitamin is critical for an organism's growth and development. It also serves as a coenzyme of carboxylase enzymes and is involved in the metabolism of carbohydrates, fatty acids, and amino acids. Biotin is required to...

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...