Please confirm that you are not located inside the Russian Federation
The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.
Enter search terms to find related medical topics, multimedia and more.
• Use “ “ for phrases o [ “pediatric abdominal pain” ] • Use – to remove results with certain terms o [ “abdominal pain” –pediatric ] • Use OR to account for alternate terms o [teenager OR adolescent ]
Type of Problem
Effects
Nutritional
Low folate (folic acid) levels Folate Deficiency Folate deficiency is common. Because the body stores only a small amount of folate, a diet lacking in folate leads to a deficiency within a few months. Not eating enough raw leafy vegetables... read more
Anemia (fatigue, weakness, and light-headedness)
Birth defects
Low thiamin levels Thiamin Deficiency Thiamin deficiency (causing beriberi and other problems) is most common among people whose diet mainly consists of white rice or highly processed carbohydrates in countries with high rates of... read more
Neurologic damage, dementia, difficulty walking and controlling eye movements
Low iron levels Identifying the Teeth
Anemia
Low niacin levels Niacin Deficiency Niacin deficiency (causing pellagra) is uncommon in countries with low rates of food insecurity. Many people with niacin deficiency also have deficiencies of protein, riboflavin (a B vitamin)... read more
Pellagra (skin damage, diarrhea, and depression)
Gastrointestinal
Esophagus
Cancer Esophageal Cancer Esophageal cancers develop in the cells that line the wall of the esophagus (the tube that connects the throat to the stomach). Tobacco and alcohol use, human papillomavirus infections, and... read more
Inflammation (esophagitis)
Stomach
Cancer Stomach Cancer A Helicobacter pylori infection is a risk factor for stomach cancer. Vague abdominal discomfort, weight loss, and weakness are some typical symptoms. Diagnosis includes endoscopy and biopsy... read more
Inflammation ( gastritis Gastritis Gastritis is inflammation of the stomach lining. The inflammation can be caused by many factors, including infection, stress resulting from severe illness, injury, use of aspirin and other nonsteroidal... read more )
Ulcers
Liver
A bleeding tendency (coagulopathy)
Cancer Overview of Liver Tumors Liver tumors may be noncancerous (benign) or cancerous (malignant). Cancerous liver tumors are classified as primary (originating in the liver) or metastatic (spreading from elsewhere in the... read more
Fatty liver Fatty Liver Fatty liver is an abnormal accumulation of certain fats (triglycerides) inside liver cells. People with fatty liver may feel tired or have mild abdominal discomfort but otherwise have no symptoms... read more
Inflammation ( hepatitis Overview of Hepatitis Hepatitis is inflammation of the liver. (See also Overview of Acute Viral Hepatitis and Overview of Chronic Hepatitis.) Hepatitis is common throughout the world. Hepatitis can be Acute (short-lived) read more )
Severe scarring ( cirrhosis Cirrhosis of the Liver Cirrhosis is the widespread distortion of the liver's internal structure that occurs when a large amount of normal liver tissue is permanently replaced with nonfunctioning scar tissue. The scar... read more )
Pancreas
Inflammation ( pancreatitis Overview of Pancreatitis Pancreatitis is inflammation of the pancreas. The pancreas is a leaf-shaped organ about 5 inches (about 13 centimeters) long. It is surrounded by the lower edge of the stomach and the first... read more )
Low blood sugar levels ( hypoglycemia Hypoglycemia Hypoglycemia is abnormally low levels of sugar (glucose) in the blood. Hypoglycemia is most often caused by medications taken to control diabetes. Much less common causes of hypoglycemia include... read more )
Cardiovascular
Heart
Disturbance of the heart’s rhythm ( arrhythmia Abnormal Heart Rhythms )
Heart failure Heart Failure (HF) Heart failure is a disorder in which the heart is unable to keep up with the demands of the body, leading to reduced blood flow, back-up (congestion) of blood in the veins and lungs, and/or... read more , cardiomyopathy Overview of Cardiomyopathy Cardiomyopathy refers to progressive impairment of the structure and function of the muscular walls of the heart chambers. There are three main types of cardiomyopathy: Dilated cardiomyopathy... read more
Blood vessels
Atherosclerosis Atherosclerosis Atherosclerosis is a condition in which patchy deposits of fatty material (atheromas or atherosclerotic plaques) develop in the walls of medium-sized and large arteries, leading to reduced or... read more
High blood pressure High Blood Pressure High blood pressure (hypertension) is persistently high pressure in the arteries. Often no cause for high blood pressure can be identified, but sometimes it occurs as a result of an underlying... read more
Stroke Overview of Stroke A stroke occurs when an artery to the brain becomes blocked or ruptures, resulting in death of an area of brain tissue due to loss of its blood supply (cerebral infarction). Symptoms occur suddenly... read more
Neurologic
Brain
Confusion
Poor short-term memory (poor recall of recent events)
Psychosis (loss of contact with reality)
Reduced coordination
Nerves
Deterioration of nerves in the arms and legs that control movements (reduced ability to walk) and sensation.
Genitourinary
Reproductive organs
Decreased sex drive Decreased Libido in Men Decreased libido is a reduction in sex drive. Possible causes include psychologic factors (such as depression, anxiety, or relationship problems), drugs, and low blood levels of testosterone... read more
In men, enlarged breasts Breast enlargement in men Breast disorders occur infrequently in men. Breast disorders include Breast enlargement Breast cancer Breast enlargement in males is called either gynecomastia or pseudogynecomastia. Gynecomastia... read more , smooth skin, and shrinking of the testes