Conditions & Diseases

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Autism is a neurodevelopmental disorder that affects a sufferer's ability to interact normally with other people, and which may have secondary signs and symptoms such as delayed onset of speaking in toddlers, limited facial expressions and lack of engagement with others. Symptoms can be observed in some children as early as the first year of life, according to the National Autism Association.

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  • How long does walking pneumonia last?

    Q: How long does walking pneumonia last?

    A: With treatment, the symptoms of walking pneumonia are alleviated within two weeks, according to Nemours. It also may take up to six weeks for walking pneumonia to resolve.
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  • What causes dry mouth while sleeping?

    Q: What causes dry mouth while sleeping?

    A: Causes of dry mouth include diet, prescription or over-the-counter drugs, aging, and other health conditions. Having a dry mouth while sleeping is is caused by insufficient saliva in the throat and mouth.
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  • What causes restless leg syndrome?

    Q: What causes restless leg syndrome?

    A: The cause of restless leg syndrome is not completely known, but many doctors believe it can be related to genetic factors, low iron levels in the brain or the result of various diseases. Restless leg syndrome, abbreviated as RLS, has also been shown to be a symptom of various diseases, including: peripheral neuropathy, chronic kidney failure or even diabetes.
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  • How do you get HIV?

    Q: How do you get HIV?

    A: A person can get HIV through sexual intercourse, blood transfusions, needle sharing, breast-feeding or pregnancy, according to Mayo Clinic. A person cannot get HIV through kissing or touching.
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  • What causes a collapsed gallbladder?

    Q: What causes a collapsed gallbladder?

    A: A gallbladder may collapse due to a condition called chronic cholecystitis, which inflames and shrinks the gallbladder, according to MedlinePlus. Gallstones are a major contributing factor to repeated acute attacks of cholecystitis.
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  • What causes someone to sleep with their eyes open?

    Q: What causes someone to sleep with their eyes open?

    A: According to the Vision Center of Excellence, sleeping with one's eyes open, or nocturnal lagophthalmos, can be caused by a number of factors, including a cone-shaped cornea and prior eye injuries. Neurological conditions, such as Bell's palsy, and eye protrusion, such as that caused by Grave's disease, also cause nocturnal lagophthalmos. The use of alcohol or sedatives prior to sleep increases the risk of nocturnal lagophthalmos.
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  • What causes the veins to bulge in the hands and arms?

    Q: What causes the veins to bulge in the hands and arms?

    A: According to Scientific American, veins bulge on the arms and hands as well as other body parts, such as the legs, during and directly after a workout because of the increased arterial blood pressure's physiological mechanisms. WebMD identifies other possible causes of bulging veins in various areas of the body, including blood clots, varicose veins and peripheral venous disease.
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  • How long can a person live without sleep?

    Q: How long can a person live without sleep?

    A: While research does not have a clear answer for how long a person can live without sleep, there have been a number of nonscientific reports of people dying after prolonged sleep deprivation. Sleepio.com notes that a man with fatal familial insomnia died after six months of total sleep deprivation.
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  • What are some home remedies for bronchitis?

    Q: What are some home remedies for bronchitis?

    A: Home remedies for bronchitis include humidifying the environment, breathing in warm vapors, drinking plenty of fluids, gargling with saltwater, getting rest and taking aspirin or ibuprofen, according to HowStuffWorks. These measures are meant to prevent symptoms while expelling the infection from the body.
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  • What causes blood blisters?

    Q: What causes blood blisters?

    A: WebMD indicates that blood blisters occur when the skin is pinched in a forceful manner and blood vessels are damaged in the process. A common injury that is known to create blood blisters is pinching a finger in a drawer. WebMD advises that if a blood blister occurs with additional signs of illness, such as fever or chills, it is important to consult with a medical professional.
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  • How do you contract ebola?

    Q: How do you contract ebola?

    A: A person may contract Ebola following contact with an infected individual's blood, urine, sweat, semen, breast milk, saliva, feces and other body fluids, according to the Centers for Disease Control and Prevention. Transmission of Ebola also occurs through contact with infected animals or objects contaminated with the virus.
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  • What does salmonella do to the human body?

    Q: What does salmonella do to the human body?

    A: When salmonella infects the body, it usually affects the intestines and causes fever, vomiting and other symptoms, says KidsHealth. These symptoms often resolve without medical treatment.
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  • What are the symptoms of too much blood loss?

    Q: What are the symptoms of too much blood loss?

    A: Excessive blood loss in the short term is characterized by hypovolemic shock and is potentially fatal. According to the New York Times, hypovolemic shock can be caused by trauma, such as cuts and burns, in addition to diarrhea or profuse sweating.
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  • How do you treat an ear infection?

    Q: How do you treat an ear infection?

    A: The best treatment for an ear infection depends on whether the infection is caused by a virus or bacterial organism. Antibiotics do not kill viruses, so they are only used to treat infections caused by bacteria. The only way to treat a viral ear infection is to treat the symptoms, according to WebMD.
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  • What are the causes of spinal meningitis?

    Q: What are the causes of spinal meningitis?

    A: The Mayo Clinic states that viruses and bacteria cause most cases of spinal meningitis. In rare cases, fungi, chemical reactions, inflammatory diseases, cancer and drug allergies cause the condition.
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  • Is staph infection contagious?

    Q: Is staph infection contagious?

    A: According to Mayo Clinic, the bacteria that cause staph infections are contagious. Staph bacteria are highly enduring and frequently live on inanimate objects long enough to be transferred to other people. These bacteria are able to withstand extreme temperatures, drying and high salt levels. Infected individuals can prevent the spread of staph germs by keeping affected areas clean and covered.
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  • Does hypothyroidism cause acne?

    Q: Does hypothyroidism cause acne?

    A: Hypothyroidism causes acne, according to the Beauty Editor. The condition occurs following insufficient levels of vitamin A and thyroid hormone, both of which play an important role in conversion of cholesterol to pregnenolone, progesterone and DHEA. Progesterone is needed to prevent the occurrence of acne and even for management of the condition. Thus, hypothyroidism causes acne by undermining the production of a steroid that checks its development.
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  • How do you come out of an induced coma?

    Q: How do you come out of an induced coma?

    A: Doctors bring patients out of medically induced comas by gradually reducing the amount of anesthetic and other drugs in their patients' systems. Generally speaking, medically induced comas are prolonged until patients have reached a level of stability consistent with an increased chance of recovery, according to the Scientific American.
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  • How do you cure arthritis?

    Q: How do you cure arthritis?

    A: Health.com notes that while a cure for arthritis has yet to be developed, the pain and discomfort associated with arthritis can be alleviated by losing weight and exercising. Acupuncture and capsaicin cream can also be beneficial.
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  • What is the vomer bone?

    Q: What is the vomer bone?

    A: The vomer bone is a thin, flat bone that forms part of the separation between the nasal passages. This bone divides the nostrils and appears in the skull of most vertebrates.
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  • What are the symptoms of Ebola virus disease?

    Q: What are the symptoms of Ebola virus disease?

    A: Ebola hemorrhagic fever, more commonly known as Ebola, is a viral infection that causes symptoms including high fever, unexplained bleeding or bruising, vomiting, diarrhea, muscle pain and weakness, abdominal pain and severe headache. On average, these symptoms will appear 8 to 10 days after exposure to the virus, though according to the Centers for Disease Control (CDC), these symptoms can occur in as little as 2 days or as much as 21 days after exposure. Those who have reason to believe they have been exposed to the virus should be on the lookout for these symptoms, which are typically severe and may escalate, such as severe diarrhea that eventually becomes bloody.
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