In-depth

Alcoholic hepatitis

Alcohol can severely damage your liver — even moderate drinkers aren't immune. Learn more about this serious liver disease.

Anorexia nervosa

Find out what's behind this life-threatening eating disorder and how to treat it.

Antisocial personality disorder

Lying, manipulation and violence without remorse are hallmarks of antisocial personality disorder. Mental health treatment can help reduce some symptoms over time.

Ataxia

Ataxia describes lack of muscle coordination while performing voluntary movements. A sign of an underlying condition, ataxia can affect any part of your body.

Atypical depression

Do you have atypical depression?

Body dysmorphic disorder

With body dysmorphic disorder, you have an extremely negative body image and may have numerous cosmetic procedures, with little satisfaction.

Breast cancer

Breast cancer is the disease that many women fear most. But early detection and lifestyle changes may reduce your risk.

Burning mouth syndrome

Burning mouth syndrome can feel as if you scalded your mouth with hot coffee. Treatment depends on the cause, which can be difficult to identify.

Cancer

Learn about cancer, what it looks like and what causes it.

Childhood schizophrenia

Childhood schizophrenia is confusing and heart wrenching. Learn about managing this serious psychotic disorder.

Chronic lymphocytic leukemia

Chronic lymphocytic leukemia is a cancer of the blood and bone marrow. Unlike other cancers, this form of leukemia doesn't always initially require treatment.

Chronic myelogenous leukemia

Chronic myelogenous leukemia (CML) is a rare type of blood cancer. New treatments may be improving the prognosis for many people with CML.

Colon cancer

Colon cancer and rectal cancer combined are the second-leading cause of cancer-related deaths in the United States. Regular screening tests can help reduce your risk.

Cyclothymia

Cyclothymia may be a mild form of bipolar disorder, but your fluctuating moods can have serious consequences. Learn about treatment options.

Dementia

Dementia — Comprehensive overview covers symptoms, causes and treatments of this mental deterioration.

Depression

Take control of your mood and health. Explore the many depression treatment options and learn coping skills.

Dysthymia

Dysthymia is a mild but long-term form of depression that can greatly reduce your quality of life. Learn about dysthymia symptoms and treatment options.

Enlarged spleen

An enlarged spleen is usually a sign of an underlying problem. Treatment varies, depending on what's causing the enlargement.

Essential thrombocythemia

Essential thrombocythemia is an uncommon blood disorder in which your body makes too many platelets, which can cause abnormal blood clotting or bleeding.

Fibromyalgia

Fatigue and widespread pain are common with fibromyalgia, a condition affecting mainly women. Treatment often focuses on managing symptoms with medication and self-care.

Gilbert's syndrome

Gilbert's syndrome is a mild liver condition that causes slightly higher levels of bilirubin in your blood, but no ill effects.

Hairy cell leukemia

Hairy cell leukemia is a rare blood cancer that has no cure. However, treatments can keep hairy cell leukemia at bay for years.

Heart disease

Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.

High blood pressure in children

High blood pressure in children and adolescents is often caused by another health condition, but is usually treatable with diet and exercise.

Hypochondria

People with hypochondria aren't merely seeking attention. They sincerely believe they're sick. Learn about the causes and treatment of this condition.

Idiopathic thrombocytopenic purpura (ITP)

Idiopathic thrombocytopenic purpura is a blood-clotting disorder that can lead to easy bruising and bleeding. Treatment depends on the severity of symptoms.

Lupus

Lupus is a chronic disease that can affect your skin, joints and organs. With proper care, most people with lupus live relatively active, healthy lives.

Microcephaly

Microcephaly — Comprehensive overview covers causes and management of this rare neurological condition.

Monoclonal gammopathy of undetermined significance

Monoclonal gammopathy of undetermined significance often isn't serious, but it can increase your risk of certain diseases, including some types of cancer.

Multiple myeloma

Multiple myeloma is cancer of your bone marrow plasma cells. The disease can make you prone to infections and damage your bones and kidneys.

Myelodysplastic syndromes

Myelodysplastic syndromes are a group of blood cell disorders that can cause anemia, fatigue, serious bleeding problems and recurrent infections.

Myelofibrosis

In myelofibrosis, healthy bone marrow is replaced with scar tissue, leading to severe anemia and fatigue.

Obsessive-compulsive disorder

Irresistible urges to repetitively count, check or wash are common obsessive-compulsive disorder symptoms. Treatment can help, so don't let shame hold you back.

Personality disorders

Personality disorders affect the way you think, behave and relate to others. Learn about symptoms and treatments.

Polycythemia vera

Polycythemia vera is a rare blood disorder in which a person's bone marrow makes too many blood cells.

Schizophrenia

Schizophrenia causes delusions, hallucinations and behavior changes. The good news is that new medications can often effectively manage schizophrenia symptoms.

Swollen lymph nodes

Swollen lymph nodes usually indicate an infection, particularly in children. However, there are many causes, ranging from the common cold to cancer.

Tetralogy of Fallot

Tetralogy of Fallot, a cause of "blue baby" syndrome, is a congenital heart condition resulting in oxygen-poor blood leaving the heart and entering the body.

Thalassemia

Thalassemia is an inherited blood disorder, characterized by less hemoglobin and fewer red blood cells than normal. When necessary, treatment includes blood transfusions.

Thrombocytosis

Thrombocytosis is a disorder in which your body makes too many platelets. Treatment depends on the underlying cause.

Tonsillitis

Tonsillitis — a common cause of sore throat in children — is usually treated with self-care and, in some cases, antibiotics.

Uterine fibroids

Uterine fibroids are noncancerous tumors of the uterus. Medical therapy and surgical procedures can shrink or remove uterine fibroids.

Vitiligo

Feb. 14, 2014