Know what can cause not being able to get and keep an erection for sexual activity and the possible treatments.
Disease
Esophageal cancer
Learn about the symptoms, diagnosis and treatments for this type of cancer that begins in the tube that connects the throat and the stomach.
Disease
Esophageal spasms
This digestive condition is sometimes mistaken for heart pain. Learn about symptoms and treatment for these painful contractions in the esophagus.
Disease
Esophageal varices
Learn how to spot and what to do if you experience signs of this serious liver disease complication.
Disease
Esophagitis
An inflamed, sore esophagus can make it hard to swallow and can cause chest pain when you eat. Find out what causes this condition and your options for treatment.
Disease
Essential tremor
Learn about this condition that causes uncontrollable shaking and find out how it differs from Parkinson's disease.
Disease
Esthesioneuroblastoma
This cancer begins in the upper part of the inside of the nose. Treatment usually involves surgery. Other options include radiation therapy and chemotherapy.
Disease
Ewing sarcoma
Learn about diagnosis and treatment of this bone and soft tissue cancer, including chemotherapy, radiation, proton beam therapy and limb-saving surgery.
Disease
Exercise headaches
Learn about the causes and treatments of this puzzling disorder.
Disease
Exercise-induced asthma
Regular exercise is good for you in many ways, but for some people, exercise can trigger breathing problems. Medicine can help.
Disease
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT)
Learn about this type of non-Hodgkin lymphoma that can attack many organs including the stomach, small intestine and the eyes. Find out about symptoms, diagnosis and treatments.
Disease
Eye floaters
Many people over age 50 experience eye floaters. Learn more about this common problem, including causes, other risk factors and treatment options.