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Treating Aged or Sun-Damaged Skin What is photoaging? Too much sun exposure can cause premature aging of your skin. This premature wrinkling and skin damage from sun exposure is called photoaging. Photoaging is not like natural aging. It causes: Coarse, dry skin. Freckling and

Warts What are warts? Warts are common skin growths. They can spread to other parts of the body and to other people. Most warts go away over a long time with no treatment. There are many kinds of warts. The most common kinds are: Common warts. These grow on the fingers, elbows

Shingles What is shingles? Shingles (herpes zoster) is a common infection of the nerves. It's caused by a virus. Shingles set off a painful rash or small blisters on an area of skin. It can appear anywhere on the body, but it typically appears on only one side of the face or body

Overview of Diabetes Complications What complications are linked to diabetes? Complications linked to diabetes may include: Heart disease. This is often caused by an extra buildup of plaque on the inner wall of a blood vessel (atherosclerosis). The plaque buildup limits blood

Diabetic Kidney Disease (Diabetic Nephropathy) What is diabetic kidney disease? Diabetic kidney disease is kidney disease that is due to diabetes. It is also called diabetic nephropathy. Nephropathy means your kidneys aren't working normally. Type 1 and type 2 diabetes are the

Appendicitis What is appendicitis? Appendicitis is a medical emergency. It happens when your appendix becomes sore, swollen, and diseased. The appendix is a thin tube that is joined to the large intestine. It sits in the lower right part of your belly (abdomen). The appendix is a

The Digestive System: An Overview What is digestion? Food and drink must be changed into smaller molecules of nutrients to be absorbed into the blood and carried to cells throughout the body. Digestion is the process by which food and liquid are broken down into smaller parts

Inguinal Hernia What is an inguinal hernia? An inguinal hernia occurs when part of your intestine pushes through a weak spot in your lower belly (abdominal) wall. This area is called the groin. The hernia creates a lump in your groin. Over time, the hernia may get bigger. Most

Glomerulonephritis in Children What is glomerulonephritis in children? The kidneys contain many coils of tiny blood vessels. Each of these is called a glomerulus. Glomeruli filter substances from the blood into the urine. Glomerulonephritis is a type of kidney disease where these

Hydrocele in Children What is a hydrocele in children? A hydrocele is fluid buildup in the thin pouch that holds the testes in the scrotum. Up to 1 in 10 baby boys have a hydrocele at birth. In most cases, it goes away without treatment in the first year. What causes a hydrocele