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During a flu, the body releases chemicals that help the white blood cells fight the infection, which causes aches, pains and soreness, according to Shelley Levitt on CNN Health. It is also common for a person with the flu to experience sneezing, chills, fever, sore throat, runny nose and cough.

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    • What Is a Grand Mal Seizure?

      Q: What Is a Grand Mal Seizure?

      A: According to Mayo Clinic, a grand mal seizure is a type of bodily convulsion that is also known as a generalized tonic clonic seizure. This type of seizure is characterized by loss of consciousness and violent muscle contractions.
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    • Can a Stroke Kill You?

      Q: Can a Stroke Kill You?

      A: According to the MedlinePlus Medical Encyclopedia, people can die from having a stroke. People who have ischemic strokes, which are those strokes that result from blood clots, are more likely to survive the stroke than people who have hemorrhagic strokes, or those strokes that result from bleeding in the brain.
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    • What Are the Most Common Symptoms of Chronic Stress?

      Q: What Are the Most Common Symptoms of Chronic Stress?

      A: If left untreated, chronic stress can lead to health conditions like insomnia, anxiety, muscle pain, impaired immune system response and hypertension. Other symptoms of stress include dry mouth, allergy attacks, sweaty palms, stuttering, weight fluctuations, eating disorders, bruxism, chest pains and sweaty palms and feet, according to the American Institute of Stress.
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    • Will HIV Always Become Full Blown AIDS?

      Q: Will HIV Always Become Full Blown AIDS?

      A: In a minority of people infected with HIV, the disease never progresses to AIDS, as noted in the journal "AIDS Research and Treatment." Acquired immunodeficiency syndrome is the final stage of HIV infection, after the immune system has become so compromised it can no longer fight off other infections.
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    • Can Kidneys Heal Themselves?

      Q: Can Kidneys Heal Themselves?

      A: The Merck Manual Home Health Handbook states that human kidneys can often heal themselves from the damage caused by acute kidney failure. A full recovery of kidney function is more likely if the episode of failure lasted less than five days and no complicating factors, such as infections, are present.
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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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    • How Many Adult Teeth Are You Supposed to Have?

      Q: How Many Adult Teeth Are You Supposed to Have?

      A: According to the Encyclopaedia Britannica, humans have 32 permanent, or adult, teeth. The initial set of teeth in humans is called the primary or deciduous set and is made up of 20 teeth.
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    • How Long Does a Toothache Last?

      Q: How Long Does a Toothache Last?

      A: A toothache can cause severe pain indefinitely if it is not treated, according to the National Health Service of Britain. A toothache typically is caused by tooth decay and may progress to a dental abscess without treatment.
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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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    • Is Fluoride Bad for You When Used on a Daily Basis?

      Q: Is Fluoride Bad for You When Used on a Daily Basis?

      A: According to American Dental Association, children 8 years old and younger are at risk of developing dental fluorisis if too much fluoride is ingested. Dental fluorisis is a condition that causes white spots that eventually turn brown in unerupted and developing teeth.
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    • Can a Tooth Infection Make Me Sick?

      Q: Can a Tooth Infection Make Me Sick?

      A: According to MedlinePlus, a tooth infection can make you sick. Such an infection can result in pus and swelling within the tooth and can spread, causing pain and destroying tissue. In addition to a severe toothache, other symptoms include fever, swollen neck glands and swelling of the upper or lower jaw. If an abscess goes untreated, it can lead to tooth loss, sepsis and life-threatening complications including endocarditis, pneumonia or brain abscess.
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    • Why Is Popcorn Bad for Braces?

      Q: Why Is Popcorn Bad for Braces?

      A: According to the University of Rochester Medical Center, patients with orthodontics need to avoid hard foods like popcorn because it can become lodged in the braces. Popcorn is even capable of breaking braces.
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    • What Do Blood Tests Show?

      Q: What Do Blood Tests Show?

      A: The most common blood test, the complete blood count, or CBC, measures red blood cells, white blood cells, hemoglobin, hematocrit, platelets and mean corpuscular volume of the blood, according to the National Heart, Lung and Blood Institute. This test is often used to check symptoms and diagnose a wide variety of conditions, such as anemia, infections, blood cancers, clotting problems and immune system disorders.
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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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    • How Does the Life Support Machine Work?

      Q: How Does the Life Support Machine Work?

      A: According to the Intensive Care Coordination and Monitoring Unit of New South Wales, ventilators, also called life support machines or breathing machines, work by supporting patients to breathe or by completely taking over the function of breathing for patients. A breathing tube inserted into the patient’s windpipe connects the ventilator to the patient.
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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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    • How Does a CAT Scan Machine Work?

      Q: How Does a CAT Scan Machine Work?

      A: According to the FDA, CAT scans rotate an x-ray source mounted opposite a detector around a patient, producing a thin, fan-shaped beam of x-rays that pass through patients' bodies one small section at a time. The detectors register the x-rays as they pass through a patient's body and transmit them to a computer that reconstructs them into one or multiple cross-sectional images of the internal organs and tissues.
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    • What Is an Annual Physical Exam?

      Q: What Is an Annual Physical Exam?

      A: According to WebMD, an annual physical exam does not have a set structure and is simply a yearly physical exam that a person undertakes to check on her health. It is also a good way to ensure early detection of any unnoticed health problems.
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    • How Does Exercise Affect Your Heart and Lungs?

      Q: How Does Exercise Affect Your Heart and Lungs?

      A: Exercise increases the blood flow in one's heart and strengthens the heart muscles. During exercise more blood gets pumped into the lungs to enable increased oxygen absorption. This oxygen is then carried to the body muscles engaged in exercise, usually the legs and arms. When a person exercises, both his heart rate and his breathing rate increase considerably, making his heart and lungs work harder.
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    • How Do You Stretch and Exercise the Lower Back?

      Q: How Do You Stretch and Exercise the Lower Back?

      A: Lower back pain makes it hard to stand or sit straight. Stretching and exercising the lower back can reduce pain and deter future lower back pain.
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    • What Are the Benefits of Massage?

      Q: What Are the Benefits of Massage?

      A: According to the Mayo Clinic, massage therapy is considered an alternative medicine that can help a person reduce anxiety, relieve headaches and recover from sports injuries. Massage therapy may also help reduce stress related insomnia. Some people also get massages for personal reasons, such as to aid in relaxation, to enjoy some personal pampering or to share time in a couple's massage with a significant other.
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    • When Should Children Begin Getting Regular Physical Activity?

      Q: When Should Children Begin Getting Regular Physical Activity?

      A: Starting around age 5, children should be getting at least an hour of medium to high intensity activity on a daily basis. Younger children can engage in exercise with the use of physical games such as tag and visits to a playground. Children who are even younger, mostly around toddler age, should be getting a significant amount of physical activity every day.
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    • What Kind of Exercise Should You Do When Cooling Down After an Intense Workout?

      Q: What Kind of Exercise Should You Do When Cooling Down After an Intense Workout?

      A: The American Academy of Orthopedic Surgeons recommends doing cool down exercises similar to the intense workout but at a decreased intensity. For example, if the workout involved walking at a quick pace, the cool down is to walk slowly a few minutes until breathing and heart rate are normal.
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    • What Is Bouldering?

      Q: What Is Bouldering?

      A: Bouldering is a style of rock climbing. Whereas some forms of rock climbing require ropes, harnesses, and other equipment, climbers only rely on climbing shoes and chalk when bouldering. The activity typically takes place on lower elevation surfaces, which sets bouldering apart from free soloing, a type of standard rock climbing that also eschews the use of ropes and harnesses.
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