Diseases and Conditions
Browse our entire database of conditions or search by common topics. Research medical conditions and get the most reliable medical information available at www.HealthAtoZ.com. Use our extensive medical library to learn about various diseases and ... [... more]
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Respiratory support
Botulism is caused by botulinum toxin, a natural poison produced by certain bacteria in the Clostridium genus. Exposure to the botulinum toxin occurs mostly from eating contaminated food, or in infants, from certain clostridia growing in the ... [... more]
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Complementary and Alternative Treatments
Complementary and alternative medicine encompasses literally dozens of therapeutic practices, approaches, and philosophies, ranging from acupuncture and herbal medicine to spiritual healing and homeopathy. Some of these therapies, such as ... [... more]
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Diverticulosis and diverticulitis
Diverticulosis refers to a condition in which the inner, lining layer of the large intestine (colon) bulges out (herniates) through the outer, muscular layer. These outpouchings are called diverticula. Diverticulitis refers to the development of ... [... more]
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Dysmenorrhea
Dysmenorrhea is the occurrance of painful cramps during menstruation. More than half of all girls and women suffer from dysmenorrhea (cramps), a dull or throbbing pain that usually centers in the lower mid-abdomen, radiating toward the lower back ... [... more]
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Lactase enzyme
Lactose intolerance refers to the inability of the body to digest lactose. Lactose is the form of sugar present in milk. The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that ... [... more]
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Listeriosis
Listeriosis is an illness caused by the bacterium Listeria monocytogenes that is acquired by eating contaminated food. The organism can spread to the blood stream and central nervous system. During pregnancy, listeriosis often causes miscarriage ... [... more]
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Neurological system
Motion sickness is the uncomfortable dizziness, nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat, or riding on a swing all cause ... [... more]
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Weight Status
Obesity is an epidemic in this country and contributes to a host of diseases. Learn if you are obese and how to live healthier. Obesity is a chronic disease affecting millions of Americans. It is defined by excess body fat and is generally ... [... more]
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Obsessive-compulsive disorder
Obsessive-compulsive disorder (OCD) is a type of anxiety disorder. Anxiety disorder is the experience of prolonged, excessive worry about circumstances in one's life. OCD is characterized by distressing repetitive thoughts, impulses or images ... [... more]
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Obstetrical emergencies
Obstetrical emergencies are life-threatening medical conditions that occur in pregnancy or during or after labor and delivery. There are a number of illnesses and disorders of pregnancy that can threaten the well-being of both mother and child. ... [... more]
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Occupational asthma
Occupational asthma is a form of lung disease in which the breathing passages shrink, swell, or become inflamed or congested as a result of exposure to irritants in the workplace. As many as 15% of all cases of asthma may be related to on-the-job ... [... more]
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