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Learn more about overweight and obesity among adults, including causes, related health risks, and treatments.

Describes rare forms of diabetes that result from mutations in a single gene. Discusses diagnosis, genetic testing, and counseling.

Learn which prescription weight-control medications are—and aren't—safe and effective, how they work, and their common side effects.

Learn about the causes, symptoms, and diagnosis of kidney stones as well as prevention strategies and treatment options.

Overview of hematuria—a common condition in which there is blood in the urine—including risk factors, symptoms, causes, diagnosis, and treatment.

Learn about the causes, symptoms, and diagnosis of bladder control problems and bedwetting in children. Treatments may include home care, alarms, and medicine.

A fact sheet that provides an overview of how the immune system functions and describes the actions of biological therapies.

A fact sheet that explains photodynamic therapy, how it is administered, and indications and side effects of treatment.

A fact sheet that describes cancer-fighting agents that block the growth of blood vessels that support tumor growth.

A fact sheet that describes use of high-intensity light in cancer treatment, its advantages and disadvantages, and types of procedures that use it.