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Eye twitching may be linked to caffeine, stress, alcohol or fatigue, according to WebMD. The twitching is the result of an involuntary movement in the eyelid, occurring as often as every few seconds to several minutes apart.

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    • Is lupus deadly?

      Q: Is lupus deadly?

      A: According to Johns Hopkins Medicine, lupus is potentially fatal although it's usually limited to affecting a person's quality of life. Lupus is an auto-immune disorder characterized by its preference to attack the body's joints and connective tissues. Organs, such as the brain, kidneys and heart, are also targets.
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    • How can I prevent tendonitis of the thumb?

      Q: How can I prevent tendonitis of the thumb?

      A: Westchester Magazine suggests avoiding, or resting and stretching between, repetitive thumb motions such as knitting, cleaning, sports motions or texting to prevent tendonitis of the thumb. If the symptoms of tendonitis appear in the thumb, avoid or limit aggravating activities and apply a cold pack for periods of five to 15 minutes throughout the day.
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    • What is a dancing plague?

      Q: What is a dancing plague?

      A: Dancing Plague, also known as Dancing Mania, was a phenomenon involving people, sometimes hundreds or thousands of people, dancing uncontrollably. There were many occurrences of the Dancing Plague that took place in Europe between the 14th and 17th centuries. They danced for hours, days, sometimes even weeks and months.
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    • How long does the pneumonia vaccine last?

      Q: How long does the pneumonia vaccine last?

      A: The pneumonia vaccine lasts a lifetime for most people, according to Health Alliance Plan of Michigan. Booster shots are recommended at different intervals for people with certain medical conditions or occupational hazards.
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    • What causes a fatty liver?

      Q: What causes a fatty liver?

      A: Fatty liver is most commonly caused by consumption of large quantities of alcohol on a regular basis or by heavy drinking during a short time period, according to WebMD. Medications, pregnancy, viruses, toxins and metabolic syndrome also can cause fatty liver in those who don't consume alcohol, notes Healthline.
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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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    • Why does my tooth hurt when I drink something cold?

      Q: Why does my tooth hurt when I drink something cold?

      A: According to WebMD, tooth pain that occurs when ingesting cold beverages is referred to as tooth sensitivity, which occurs when tooth dentin is exposed. Exposed dentin is caused by gum recession, tooth grinding, over-aggressive brushing and acidic beverages.
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    • Why do my teeth hurt?

      Q: Why do my teeth hurt?

      A: According to the American Association of Endodontists, tooth pain can be a symptom of a wide variety of dental problems including decay, injury or infection. While mild sensitivity can be linked to receding gums and poses little harm, other dental pain can signify a more serious problem and requires a trip to the dentist for a diagnosis and treatment plan.
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    • How long will teeth hurt after a filling?

      Q: How long will teeth hurt after a filling?

      A: According to WebMD, any sensitivity from a filling should be gone within two to four weeks. If pain still exists after this period, WebMD recommends that patients consult their dentists.
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    • Where can I find dentists that accept Blue Cross Blue Shield?

      Q: Where can I find dentists that accept Blue Cross Blue Shield?

      A: Blue Cross Blue Shield provides an online national doctor and hospital finder on its website, which includes the ability to search for dentists, according to Blue Cross Blue Shield. This service conducts searches by proximity and by specialty, allowing users to find providers in the nearby community.
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    • Can fake teeth be whitened?

      Q: Can fake teeth be whitened?

      A: Fake teeth cannot be whitened. However, unlike natural teeth, fake teeth do not stain from exposure to things such as coffee and tobacco. Fake teeth are created in a dental lab using either porcelain or acrylic resin. This material can be tinted to reach a desired shade.
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    • How do you prevent dry mouth at night?

      Q: How do you prevent dry mouth at night?

      A: To prevent dry mouth at night, see a health care professional to determine the cause, and treat it accordingly. A room vaporizer can be used to add moisture to the air at night. Keeping water available by the bed when sleeping helps, as does staying hydrated throughout the day. To stimulate saliva flow, chew sugar-free gum, ice pops, ice chips or hard candies.
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    • How long do you leave a thermometer in your mouth?

      Q: How long do you leave a thermometer in your mouth?

      A: To obtain an accurate temperature reading, a glass thermometer must remain in the mouth for three minutes, while a digital thermometer remains in the mouth until it beeps or the temperature reading appears in the window, according to Drugs.com. The tip of the thermometer must be placed under the tongue.
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    • What does a CT scan show?

      Q: What does a CT scan show?

      A: According to Johns Hopkins Medicine, a CT scan shows body parts such as organs, bones, fat and muscle in greater detail than a usual X-ray can provide. A CT scan does use X-rays, but the beam circles the area to be scanned and allows for more views and angles.
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    • What is the purpose of an MRI?

      Q: What is the purpose of an MRI?

      A: The Encyclopedia of Children’s Health states that the purpose of an MRI, which stands for magnetic resonance imaging, is to generate images of the body to assist doctors in diagnosing diseases or conditions and evaluating injuries. Additionally, the National Health Service explains that the results of an MRI scan are useful in planning treatments and assessing the effectiveness of a previous treatment.
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    • What is the difference between aseptic and sterile?

      Q: What is the difference between aseptic and sterile?

      A: According to the Wound, Ostomy and Continence Nurses Society, sterile is the absence of and continued protection against all microorganisms, while aseptic refers to protections against pathogenic microorganisms. These two techniques, while similar in purpose, differ in severity and diligence. Sterile is the more thorough of the two types.
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    • What is a spirometry test?

      Q: What is a spirometry test?

      A: A spirometry test measures lung function. A patient takes a deep breath and blows into a tube as hard as possible, explains Mayo Clinic. The test is repeated at least three times for consistency, and the highest result of the three consistent trials is used as the final result.
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    • What is a stereoscope used for?

      Q: What is a stereoscope used for?

      A: A stereoscope is a tool used for viewing images three-dimensionally. It has two removable eyepieces so that both eyes can be used to view an object at the same time. A stereoscope is used in various fields, such as police work, education, archeology, biology, government services, health and medical research.
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    • What is the fastest way to rehydrate yourself?

      Q: What is the fastest way to rehydrate yourself?

      A: According to Harvard University, a simple oral rehydrating solution is the most effective way to rehydrate yourself. This solution, consisting of salt, sugar and clean water, was found to be cheap and effective when used to treat victims of infectious diarrheal diseases, including cholera, in third world countries. UNICEF's simple homemade solution contains 5 cups of boiled water, 8 teaspoons of sugar and 1 teaspoon of salt.
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    • What are some personal training tips?

      Q: What are some personal training tips?

      A: Some personal training tips include educating yourself on fitness material, being professional, separating nutrition and training, committing to your own training, developing relationships with your clients and consistently challenging them. Keeping these things in mind lets your clients see how serious you are about your work and how devoted you are to their physical development.
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    • How long should I ride my stationary bike?

      Q: How long should I ride my stationary bike?

      A: According to Technogym, a person needs to ride the stationary bike at least 150 minutes a week to get the ideal level of physical activity. The website further recommends doing this for at least three months.
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    • What are the components of physical fitness?

      Q: What are the components of physical fitness?

      A: The five components of physical fitness are cardiovascular endurance, muscular strength, muscular endurance, flexibility and body composition, according to FitDay. There is unanimous agreement in the fitness community that these are the five components of physical fitness though the definition of what level of fitness needs to be achieved is a personal one, according to Functional Fitness Facts.
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    • Can a toddler get too much exercise?

      Q: Can a toddler get too much exercise?

      A: Toddlers naturally display a high level of energy and will amuse themselves with physical activity, and they will generally tire themselves out naturally as well. Adults shouldn't force toddlers to perform physical activity beyond what they will naturally do to keep themselves amused, though it may be necessary to encourage naturally low-energy toddlers to engage in more active play.
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    • How can a person run a 6-minute mile?

      Q: How can a person run a 6-minute mile?

      A: The ability to run a 6-minute mile depends on fitness level, physical condition, age and genetics. Because of this, some people may never achieve running a mile in 6 minutes, despite extensive training. However, those in good physical condition with a natural runner's body and experience with running might be able to train for a 6-minute mile using a measured distance running path and a stopwatch.
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