BODY SYSTEMS AFFECTED

What Is Chronic Fatigue? Chronic fatigue or lassitude is a state of weariness not relieved by rest and the inability to do normal physical or mental work. Q: What are causes of chronic fatigue? A: Chronic fatigue can be a ...

What Is Primary Addison’s Disease? Addison’s disease is an autoimmune destruction of the adrenal glands by autoantibodies that target the adrenal cortex, or outer part of these glands, and is characterized by a slow progressive failure of the adrenal glands ...

What Is Intestinal Dysbiosis? Intestinal dysbiosis is an imbalance of the composition and quantity of microbe populations (called the microbiota), that naturally inhabit our human gut. Dysbiosis causes altered gut immunity, abnormal fermentation of undigested foodstuffs, and impaired production within the ...

What Are Brittle Nails? Brittle nails are abnormalities of the nail plate that are characterized by poor nail structure affecting all fingernails and toenails seen as thin, dry nails that easily chip, split, and are difficult to maintain a clean ...

What Is Ulcerative Colitis? Ulcerative colitis is an inflammatory disorder of the colon characterized by continuous inflammation of the mucosa and submucosa usually with small ulcers, extending from the rectum and typically involving the distal colon, rectum, and anus and ...

What Is Lymphocytic Colitis? Lymphocytic colitis is a microscopic inflammation of the large intestinal mucosa with infiltration of lymphocytes (IELs)  that is characterized by non-bloody secretory diarrhea. Secretory diarrhea describes bowel movements that consist of a large volume of liquid ...

What Is Collagenous Colitis? Collagenous colitis is a disease of the large intestine (colon) that is characterized by microscopic inflammation of the surface mucosal lining and an abnormally thickened collagen band of tissue that develops wthin the lining of the colon. ...

What Is Aortic Vasculitis? Aortic vasculitis is an inflammatory disease of the aorta that causes dilation of the aorta wall with narrowing of the inside passageway and results in widespread impairment of blood flow to tissues served by the aorta. ...

What Is Dermatitis Herpetiformis? Dermatitis herpetiformis (DH) is an autoimmune extremely itchy, painful bullous skin rash (blistering eruptions) arising from the underlying dermis layer of skin as a consequence of gluten sensitivity. Dermatitis herpetiformis is characterized by multiple intensely itchy, ...

What Is Helicobacter Pylori (H. Pylori) Infection? Helicobacter pylori infection is a potentially deadly stomach disease characterized by chronic superficial inflammation and ulcerations in 100% of infected patients. This infection disrupts normal defense and repair of the stomach lining and ...

What Is Obesity? Obesity is an inflammatory metabolic disorder that is characterized by body mass index greater than 30% resulting from excessive body fat stored in adipose tissue. Q: What is body fat? A: Body fat is part of the body ...

What Is Idiopathic Dilated Cardiomyopathy? Idiopathic dilated cardiomyopathy (IDCM) is a disorder of myocardial (heart muscle) function characterized by dilation or enlargement of the cardiac chambers and reduction in the ability of the ventricles (lower chambers) to contract with the required force ...

What Is Stroke In Childhood? Stroke in childhood is a medical emergency during which blood flow to an area of the brain is stopped, causing infarction or death of the area of cells in the brain fed by the blocked ...

What Is Lymphocytic Gastritis? Lymphocytic gastritis is an inflammatory stomach disorder that is characterized by superficial inflammation of the stomach lining (mucosa) that mainly involves the gastric antrum in children. Lymphocytic gastritis is defined by the recognition of more than 25 ...

What Is A Gastric Ulcer? Gastric ulcer is a painful stomach disorder characterized by an open sore involving the mucosa lining and deeper muscle layer of the stomach. Gastric ulcer is associated with lymphocytic gastritis which is inflammation of the mucosal ...