Conditions & Diseases

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Moderate exposure to sunlight has health benefits, such as stimulating vitamin D production in the body, but too much sun exposure leads to serious effects, such as sunburn and skin cancer, according to the Australian Institute of Health and Welfare. Patient.co.uk notes that exposure to the sun also causes burning, heat exhaustion and heatstroke.

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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 happens when you eat too much junk food?

    Q: What happens when you eat too much junk food?

    A: People who eat too much junk food suffer from many serious side effects and health problems, including weight gain, tooth decay, diabetes and heart disease, SFGate explains. A large part of the problem stems from the excessive amounts of fat and sodium typically found in this type of food.
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  • Why do diabetics have poor circulation?

    Q: Why do diabetics have poor circulation?

    A: Diabetics have poor circulation because the high blood glucose levels which they experience over a period of years lead to blood vessel damage, according to Diabetes.co.uk. When the blood vessels are damaged, they are unable to supply enough blood to nearby cells due to plaque formation.
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  • What is the difference between active immunity and passive immunity?

    Q: What is the difference between active immunity and passive immunity?

    A: Active immunity occurs when a person develops a permanent immunity to a disease, while passive immunity occurs when a person develops a short-term immunity, according to Infoplease from Pearson Education. Both active and passive immunity can be natural or artificial.
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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 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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  • What causes yellow eyelids?

    Q: What causes yellow eyelids?

    A: Professor Anne Tybjaerg-Hansen of the University of Copenhagen explains that soft and painless yellow spots around the eyes contain deposits of cholesterol. The Daily Mail reports that in a more than 30-year study from 2009, her team found that the yellow markings around the eyes known as xanthelasmata are linked to heart disease; additionally, people with this condition more likely have a heart attack or die within 10 years.
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  • Which way does a bedpan go?

    Q: Which way does a bedpan go?

    A: Place the curved, lipped end of the bedpan at the top of the buttocks or small of the back. This leaves the open end of the bedpan towards the thighs. In this manner, the buttocks does not slip into the pan.
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  • How do you treat a slipped disc in the back?

    Q: How do you treat a slipped disc in the back?

    A: According to the American Academy of Orthopaedic Surgeons, a slipped herniated disk is treated with nonsurgical or surgical methods. Nonsurgical treatments, such as bed rest, are most common. Other nonsurgical treatments that help to alleviate back pain are medication, injections and physical therapy. A small percentage of people with a slipped disk require spine surgery after nonsurgical methods fail to relieve severe discomfort.
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  • How does autism affect the body?

    Q: How does autism affect the body?

    A: Dr. Arshya Vahabzadeh explains in Huffpost Healthy Living that autism links to a number of afflictions affecting the body including epilepsy, sleep disorders, movement problems and psychiatric disorders. Vahabzadeh also refers to a study from the Centers for Disease Control and Prevention that explains that children diagnosed with autism have a greater risk of frequent diarrhea or episodes of colitis.
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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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  • Does massaging a scalp help hair to grow?

    Q: Does massaging a scalp help hair to grow?

    A: IDiva reports that it is not possible to stimulate hair growth through scalp massage because the hair follicles are too far beneath the surface of the skin to be affected by topical stimulation. The website reports that the idea is a common hair growth myth.
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  • How do you know if you have diabetes?

    Q: How do you know if you have diabetes?

    A: According to the American Diabetes Association, the only way for a person to know if he has diabetes is to be tested; however, several common symptoms can indicate that a visit to the doctor is needed. These symptoms include frequent urination; feeling thirsty or hungry, especially after having already eaten; fatigue; blurred vision or cuts and bruises that are slow to heal.
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  • Why do you pass out when you hyperventilate?

    Q: Why do you pass out when you hyperventilate?

    A: Hyperventilation causes too much oxygen to be taken in and carbon dioxide to be discarded too quickly, which causes fainting, as explained by WebMD. Acute hyperventilation is often triggered by anxiety or a specific phobia. Acute decreases in carbon dioxide can lower cerebral blood flow and cause neurologic symptoms such as syncope, seizure, dizziness and confusion.
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  • What happens when the body shuts down?

    Q: What happens when the body shuts down?

    A: When a person's body shuts down, the person dies. Sleeping a lot, incontinence, disorientation, decreased body temperature, changes in breathing patterns, congestion and restlessness are some of the signs of the body shutting down.
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  • How can someone care for a sunburn?

    Q: How can someone care for a sunburn?

    A: To care for a sunburn, apply soothing lotions that have aloe vera as an ingredient. Topical steroids also help to soothe sunburns.
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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 dangers and symptoms of Ebola?

    Q: What are the dangers and symptoms of Ebola?

    A: Ebola is a very dangerous viral infection that can produce symptoms, such as fever and muscle pain. Other symptoms of Ebola include weakness, diarrhea, vomiting, headache and loss of appetite.
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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 is the life expectancy for a someone with Turner's syndrome?

    Q: What is the life expectancy for a someone with Turner's syndrome?

    A: According to SyndromesPedia, those with Turner's syndrome have a typical reduction of life expectancy of 13 years. Most women with the condition live until 50 years of age.
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  • How long does ringworm last?

    Q: How long does ringworm last?

    A: Ringworm can last up to four weeks with over-the-counter skin treatment, according to Healthline. Unfortunately, ringworm may not clear up on its own and a prescription antifungal medication may be needed, notes MedicineNet.com.
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