Rheumatic heart disease is a condition where the heart valves have been permanently damaged by rheumatic fever.

Hepatitis A is a liver disease that is easily spread from person to person. Hepatitis is a inflammation of the liver that sometimes causes lasting damage. Hepatitis A is a cause of hepatitis.

Hemorrhoids are when the veins or blood vessels in and around your anus and lower rectum become swollen and irritated. This happens when there is extra pressure on these veins.

H. pylori (Helicobacter pylori) is a type of bacteria that infects your stomach. It can damage the tissue in your stomach and the first part of your small intestine (the duodenum). In some cases, it can also cause painful sores called peptic ulcers in your upper digestive tract.

Detailed information on heart disease prevention

Peripheral vascular disease (PVD) is a slow and progressive circulation disorder caused by narrowing, blockage, or spasms in a blood vessel.

Gastritis is inflammation of your stomach lining. Learn what can cause it, make it worse, and how to care for yourself.

Gastroparesis is a stomach disorder. It happens when your stomach takes too long to empty out food. If food stays in your stomach for too long, it can cause problems.

Everyone has gas. It may be painful and embarrassing, but it is not dangerous. Learn what causes it, the symptoms, how it's diagnosed, and how it's treated.

Diverticular disease is an infection in the tiny pouches that some people get in their colon. The pouches are called diverticula. These pouches bulge out through weak spots in your colon. The pouches can become inflamed (red, swollen) or infected.