Conditions & Diseases

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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 is rheumatoid arthritis?

    Q: What is rheumatoid arthritis?

    A: Rheumatoid arthritis is an autoimmune disorder that affects the joints and causes painful swelling, which can lead to bone erosion and joint deformity. According to the Mayo Clinic, rheumatoid arthritis is the result of a person's immune system attacking its own tissues.
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  • What is the difference between a headache and a migraine?

    Q: What is the difference between a headache and a migraine?

    A: According to Healthline.com, a migraine is a headache. Migraines are highly disabling and typically only occur on one side of the head. According to the Mayo Clinic, a headache refers to pain in any area of the head, occurring on one side of the head or both sides.
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  • Can dandruff cause hair loss?

    Q: Can dandruff cause hair loss?

    A: According to WebMD, dandruff does not cause hair loss. The causes of hair loss and dandruff are entirely distinct, but the two often appear together, especially in men.
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  • Is there a cure for Multiple sclerosis?

    Q: Is there a cure for Multiple sclerosis?

    A: As of 2015, there is no cure for multiple sclerosis, according to Mayo Clinic. However, there are several treatments and therapies available to help manage symptoms, speed up recovery after attacks and modify the course of the disease.
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  • Where did meningitis come from?

    Q: Where did meningitis come from?

    A: According to Dr. Ananya Mandal for News-Medical.net, meningitis has been described in many ancient texts. Hippocrates even wrote about the disease is his medical books. For this reason, it is believed to have been around for many years.
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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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  • Can I fly with pneumonia?

    Q: Can I fly with pneumonia?

    A: Patient.co.uk recommends that a person with pneumonia be clinically recovered and no longer infectious before flying. A doctor can advise whether a patient is fit enough to fly.
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  • What does it mean if I have itching in the corner of my eye?

    Q: What does it mean if I have itching in the corner of my eye?

    A: According to WebMD, itching in the corners of the eyes is a common symptom of eye allergies, also referred to as allergic conjunctivitis. Eye allergies are reactions to pet dander, pollens, dust and chemicals. Additional symptoms include redness and irritation of the eyes, swollen eyelids, burning and sensitivity to light. Eye allergies are treated with over-the-counter eye drops and oral antihistamines.
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  • What is considered morbidly obese?

    Q: What is considered morbidly obese?

    A: According to the University of Rochester Medical Center, morbid obesity is when a person has a body mass index of 40 or higher or is 100 pounds or more over ideal weight. For those with weight-related conditions, a body mass index of 35 or higher is morbidly obese.
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  • What are the symptoms of arthritis in the knee?

    Q: What are the symptoms of arthritis in the knee?

    A: Pain in the knee that gradually increases over time is the most common symptom of knee arthritis, according to the American Academy of Orthopaedic Surgeons, or AAOS. Difficulty extending and straightening the knee, especially after long periods of rest, is another common symptom. Arthritic knees may also make clicking or grinding noise when moved.
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  • What are the types of oxygen masks?

    Q: What are the types of oxygen masks?

    A: Simple face masks, Venturi masks, tracheostomy masks, partial re-breathing and non-rebreathing face masks, demand, diluter-demand and continuous flow are types of oxygen masks, according to the American Thoracic Society and Design Aerospace LLC. Oxygen masks cover the nose and mouth to deliver oxygen to the wearer, and the appropriate type of mask depends on its use, the size and age of the wearer and the amount of oxygen required.
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  • What causes a burning pain in the armpit?

    Q: What causes a burning pain in the armpit?

    A: While many conditions may cause irritation in the armpits, WebMD notes that intertrigo usually causes a burning sensation along with redness and itching. When a person has intertrigo, the moist, warm skin becomes irritated and often mildly infected. A rash also typically appears between the folds of the skin.
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  • Are all viruses contagious?

    Q: Are all viruses contagious?

    A: Microbe World explains that all viruses are infectious by their nature, but not all viruses are infectious to humans. A virus requires a living host cell in order to reproduce, but most viruses are specialized to infect only certain types of cells.
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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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  • 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 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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  • Can a pinched nerve cause headaches?

    Q: Can a pinched nerve cause headaches?

    A: University of Maryland Medical Center reports that a pinched nerve in the neck can cause headaches in the back of the head, called occipital headaches. This condition also causes pain in the neck, shoulder, arm and hand, according to UMMC.
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  • Can you die from tonsillitis?

    Q: Can you die from tonsillitis?

    A: It is extremely rare to die from tonsillitis, according to the American Academy Otolaryngology – Head and Neck Surgery. This stems from the quality of medical and surgical interventions available today.
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  • What is a stem cell transplant?

    Q: What is a stem cell transplant?

    A: A stem cell transplant is a procedure used to replace damaged or diseased stem cells with healthy stem cells, according to Mayo Clinic. Also called a blood or marrow transplant, stem cell transplants are used to treat people with cancers and diseases such as leukemia and sickle cell anemia.
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  • How long does HIV live on surfaces?

    Q: How long does HIV live on surfaces?

    A: HIV does not live for long enough on surfaces to infect anyone, according to AIDS Vancouver Island, a community-based AIDS service organization. HIV dies fairly quickly when outside of the body and in contact with oxygen, making the disease not transmittable via toilet seats and other public surface where the virus may have contacted.
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  • What is surgical emphysema?

    Q: What is surgical emphysema?

    A: According to Britannica, surgical emphysema, also known as subcutaneous emphysema, is a health condition caused by air bubbles getting trapped under the skin. This condition is usually caused by ruptured lung tissue due to a traumatic accident, a bacterial infection called gas gangrene, or as a complication of surgery.
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