Esophagitis is inflammation of the food pipe (esophagus), the muscular tube that carries food from the mouth to the stomach. The condition can make swallowing painful and may cause chest discomfort. If left untreated, it…
Ectopic pregnancy occurs when a fertilized egg implants outside the uterus, most often in a fallopian tube. The pregnancy cannot develop normally in this location. Without timely treatment, it may cause life-threatening internal bleeding. Early…
Middle ear infection, medically known as acute otitis media, affects the air-filled space behind the eardrum. It occurs more often in children than in adults. The condition usually improves on its own, but in some…
E. Coli bacteria normally live in the intestines of healthy people and animals. Most strains are harmless. Some strains, such as E. coli O157:H7, can cause severe diarrhea, stomach cramps, and vomiting. In certain cases,…
Delayed sleep phase is a condition that affects the body’s internal clock, known as the circadian rhythm. People with this condition fall asleep and wake up later than usual. Sleep and wake times may shift…
Dengue fever is a mosquito-borne viral disease common in tropical and subtropical regions. It usually causes high fever and flu-like symptoms. Most patients recover within about a week. However, some cases progress to severe dengue,…
Color blindness, also called color vision deficiency, is an eye condition that impairs the ability to distinguish certain colors. It is most often inherited and occurs more commonly in men.Typically, it affects the perception of…
Leg swelling is a common condition that affects the feet, ankles, calves, or thighs. It happens when fluid builds up in the tissues or when joints and muscles become inflamed. While often caused by minor…
