Author: Fox News (Fox News )

Persistent depressive disorder (formerly called dysthymia) is a form of depression that lasts more than two years at a time in adults and more than one year at a time in children and adolescents. Dysthymia, now referred to as persistent depressive disorder, is a form of depression that lasts more than two years at a...

What is a hemorrhoid? Hemorrhoids are very common and appear when the veins under the lining of the rectum and anus become swollen and bulge. Yes, you can push a hemorrhoid back in. Hemorrhoids are very common and appear when the veins under the lining of the rectum and anus become swollen and bulge. Extra...

What are fluoroscopy and X-ray? Radiography or X-ray and fluoroscopy procedures seem similar. However, fluoroscopy obtains moving images of the inner part of the body and radiography uses gamma rays to develop a static image of the internal structure of a body. Radiography or X-ray and fluoroscopy procedures seem similar. However, fluoroscopy obtains moving images...

Learn the differences between dissociative identity disorder and schizophrenia, including their different causes, treatments, signs and symptoms, and diagnosis. Schizophrenia and dissociative identity disorder may have some overlapping symptoms. Hence, it may often be tricky to clinically differentiate between the two diseases. In both of these conditions, affected people develop a sense of fragmented reality....

What is sleep? What Is Sleep Disorders (Insomnia)? Physiologically, sleep is a complex process of restoration and renewal for the body. Scientists still do not have a definitive explanation for why humans have a need for sleep. We do know that sleep is not a passive process or "switching off" of body functions; sleep is...

Human immunodeficiency virus (HIV) constantly replicates itself, resulting in multiple strains, which are mainly divided into two types (HIV-1 and HIV-2). Human immunodeficiency virus (HIV) constantly replicates itself. Some strains multiply faster and are more easily transmitted from person to person than others. If the doctor knows what strain of HIV a patient has, they...

Diphtheria facts Respiratory tract infections include sore throat, bronchitis, sinusitis, and pneumonia Diphtheria is an infectious disease caused by bacteria that usually produce exotoxins that damage human tissue. The initial symptoms of diphtheria are flu-like but worsen to include fever, swallowing problems, hoarseness, enlarged lymph nodes, coughing, and shortness of breath; some patients may have...

What is double vision? Diplopia is another term for double vision. Double vision is the perception of two images of a single object seen adjacent to each other (horizontally, vertically, or obliquely) or overlapping. Diplopia is the medical term for double vision. Polyplopia is the perception of three or more images of a single object...

Morning sickness affects 50 to 90 percent of pregnant women, most often in the first trimester. It is usually not harmful to your baby. Throwing up may relieve your immediate symptoms, but nausea typically returns. Nausea and vomiting are often the earliest symptoms of pregnancy. Morning sickness affects 50 to 90 percent of women during...

Mosquitos are known for transmitting many types of diseases to humans. Mosquito magnets worked in trapping up to 60+ a night, including mosquitoes that carried malaria. Mosquitos are known for transmitting many types of diseases to humans, particularly in tropical and subtropical regions. Sadly, these diseases cause the death of 1 million people every year....