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A placebo pill is a pill given to patients that does not include the drug components meant to treat a medical condition, according to WebMD. A placebo pill may be given to a control group as part of a medical research study or to patients to induce the placebo effect.

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    • How do you get diabetes?

      Q: How do you get diabetes?

      A: A person can get diabetes through a compromised immune system, genetic precondition, environmental factors, cell-resistance to insulin and obesity, according to Mayo Clinic. Type 1 and type 2 diabetes can occur when the pancreas is not able to produce a sufficient amount of insulin, resulting in sugar accumulation in the blood.
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    • Why do you use a cane on the opposite side of an injured leg?

      Q: Why do you use a cane on the opposite side of an injured leg?

      A: Mayo Clinic explains that when a cane is used for extra support because of a leg injury or disability, it is held by the hand opposite the injury to move along with the injured leg for extra support. The cane is lifted at the same time as the affected leg when the stronger leg is firmly on the ground.
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    • What do swollen ankles mean?

      Q: What do swollen ankles mean?

      A: According to WebMD, swollen ankles commonly occur when a person stands or walks a lot, but if swollen ankles persist or are accompanied by other symptoms, they could be an indication of a serious health problem, such as pregnancy complications, foot or ankle injury, lymphedema and venous insufficiency. Sudden or excessive swelling is a possible sign of preeclampsia.
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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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    • What causes light spots to appear on skin?

      Q: What causes light spots to appear on skin?

      A: WebMD states that vitiligo and pityriasis alba cause light patches on the skin. While people of any color can have these two conditions, it is most easily seen on dark skin. Pityriasis alba mostly occurs on the skin of black children.
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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 are dentures made of?

      Q: What are dentures made of?

      A: Dentures are most often made from plastic or porcelain with an acrylic or plastic base, notes Tom Scheve for HowStuffWorks. The specific type of dentures an individual needs is mostly dependant on whether he has partial or full loss of his teeth.
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    • What are front teeth partial dentures?

      Q: What are front teeth partial dentures?

      A: Front teeth partial dentures are removable dentures that consist of replacement teeth attached to a pink or gum-colored base, according to WebMD. Connected to the mouth by a metal plate framework, partial dentures are used when one or more of the natural front teeth are still in place on the upper or lower jaw.
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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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    • 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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    • 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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    • How long does it take for a loose tooth to fall out?

      Q: How long does it take for a loose tooth to fall out?

      A: When left alone, a loose tooth takes a few months to come out on its own. However, if a child wiggles a loose tooth, it comes out far more quickly.
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    • What is dangerous about radio waves?

      Q: What is dangerous about radio waves?

      A: When radio waves pass through the human body at extremely high doses, they can break down tissue and damage DNA structure. Radio waves have been linked to headaches, multiple sclerosis and sleep disorders and may contribute to more serious illnesses like cancer and brain tumors. However, some argue that the only scientifically proven negative side effect of radio waves is a rise in temperature in the substance through which the waves pass, and the debate is fierce as to the true effects of radio waves in humans.
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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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    • 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 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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    • How long do most people live?

      Q: How long do most people live?

      A: The life expectancy for humans in the United States in 2014 is 77.5 years from birth. However, as people age they have an increased expectancy. This is due to the fact they have survived numerous potential causes of death.
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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 a simple workout plan?

      Q: What is a simple workout plan?

      A: A typical beginner workout program includes basic cardiovascular exercises, weight training and exercises to increase flexibility. Three days of cardio and two days of strength training a week are enough for a simple workout plan, but it's best for the exerciser to determine his fitness level to ascertain what would be basic exercises for him, while still being effective.
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    • How do I get bigger biceps?

      Q: How do I get bigger biceps?

      A: Get bigger biceps by practicing intensive, bicep-isolating exercises two to three times per week. Choose an appropriate exercise program for your strength and skill level. Focus on the biceps and surrounding brachialis and brachioradialis muscles to aid in elbow and shoulder flexing. For bicep exercises, you need barbells and dumbbells with customizable weights.
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    • How much should I be able to bench press?

      Q: How much should I be able to bench press?

      A: According to a Men’s Health, a man should be able to bench press 1.5 times his own body weight to be considered strong. Men’s Fitness backs up this view by and further states a person who can lift two times his own body weight is considered exceptionally strong.
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    • What is the most important factor in maintaining mental and physical abilities throughout life?

      Q: What is the most important factor in maintaining mental and physical abilities throughout life?

      A: Although it's difficult to pinpoint one factor that has the greatest effect on health and longevity, according to the U.S. Centers for Disease Control, physical activity is one of the most important factors in maintaining health. People who are physically active tend to live longer and have a lower risk of many chronic health conditions, such as heart disease, Type 2 diabetes, depression and some cancers.
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    • How can I slim down muscular legs?

      Q: How can I slim down muscular legs?

      A: To slim down muscular legs, you must perform aerobic exercises and avoid workouts that build the leg muscles. You'll either need access to a gym that has cardiovascular equipment or a large, open area where you can perform exercises safely.
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    • How many miles is a 2K run?

      Q: How many miles is a 2K run?

      A: A 2-kilometer, or 2K, run is the equivalent of approximately 1.24 miles. Put another way, it is 1 mile and slightly over 427 yards. A 2-kilometer run is a good running distance with which to start for beginners who are not ready to tackle the demands of a 5-kilometer run.
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