Iron deficiency anemia

Iron deficiency anemia

Iron deficiency anemia is the most common type of anemia that happens when you don’t have enough iron to make healthy red blood cells.

Obesity

Medical consequences of obesity

Obesity is a chronic disease in which someone has an excess of fat that negatively impacts their health. The calculation of body mass index (BMI) is typically used to measure if someone has obesity (overweight).

Gastroesophageal reflux disease (GERD)

Gastroesophageal reflux disease (GERD)

Gastroesophageal reflux disease (GERD), or just acid reflux, is when stomach acid frequently flows back into the esophagus. Heartburn is the most common symptom of GERD.

Cirrhosis

Normal liver vs liver with cirrhosis

Cirrhosis is permanent damage to the liver by chronic diseases, such as viral hepatitis, NAFLD or long-term alcohol abuse.

Barrett’s esophagus

Normal esophagus and esophagus with Barrett's

Barrett’s esophagus is when the cells lining the esophagus — the tube connecting the mouth to the stomach — change into the cells lining the intestine. The test for Barrett’s is an endoscopy.