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To insert a contact lens, begin by washing and drying your hands thoroughly. Next, pick up the right eye lens, and clean it. Once the lens is clean, hold open your eyelids, and gently place the lens on your eyeball. Repeat this procedure for the left-eye contact lens.

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    • What are the stages of balding?

      Q: What are the stages of balding?

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      According to the Bernstein Medical Center, the Norwood classification published in 1975 is the most widely used classification for hair loss in men and describes seven stages. In the Norwood pattern, two areas of hair loss gradually enlarge until the entire front, top and crown of the scalp are bald.

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    • What is a stem cell transplant?

      Q: What is a stem cell transplant?

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      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 do you treat an ear infection?

      Q: How do you treat an ear infection?

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      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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    • Are throat polyps serious?

      Q: Are throat polyps serious?

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      According to the American Speech-Language-Hearing Association, throat polyps are not malignant but can cause serious problems, especially if the voice is important to the patient’s career. Polyps are soft growths that develop on the vocal cords, causing hoarseness and other vocal problems as well as throat pain.

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    • What are early symptoms of HIV?

      Q: What are early symptoms of HIV?

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      AIDs.gov reports that the earliest stage of HIV is known as acute retroviral syndrome and often presents with flu-like symptoms. HIV, or human immunodeficiency virus, is a chronic virus that destroys a patient’s CD4 T cells over time. The virus is spread through bodily fluids and causes many early symptoms.

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    • Can I fly with pneumonia?

      Q: Can I fly with pneumonia?

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      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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    • Why is popcorn bad for braces?

      Q: Why is popcorn bad for braces?

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      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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    • Can you use a regular rubber band to close a gap between your teeth?

      Q: Can you use a regular rubber band to close a gap between your teeth?

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      No. Attempting to close a teeth gap - also known as a dyastema - with a rubber band may lead to a temporary fix, but could also cause many eventual dental problems.

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    • What causes a wisdom tooth infection?

      Q: What causes a wisdom tooth infection?

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      According to WebMD, pericoronitis occurs when the wisdom tooth partially erupts through the gums, allowing bacteria to enter the cavity and cause an infection. The high risk of wisdom tooth infection, or pericoronitis, may be one of the major reasons your dentist advises you to get them pulled.

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    • How do you prevent dry mouth at night?

      Q: How do you prevent dry mouth at night?

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      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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    • Why do toothaches hurt more at night?

      Q: Why do toothaches hurt more at night?

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      Dr. John C. Stone, a cosmetic dentist of more than 30 years, explains that toothaches hurt more at night because of the increased blood pressure to the head that occurs when lying down. A persistent toothache causes a sharp, throbbing pain at irregular periods.

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    • How long does a toothache last?

      Q: How long does a toothache last?

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      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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    • How long does staph live on surfaces?

      Q: How long does staph live on surfaces?

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      The Fairfield Department of Health reports that staph bacteria can live on an object for up to 24 hours, making it important to wash commonly shared objects and surfaces regularly, especially when a known staph infection is present. Because many people carry staph bacteria, it is impossible to rid all instances of the bacteria. However, the Fairfield Department of Health advises that good hygiene can prevent the spread of the infection to others.

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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?

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      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 a CAT scan machine work?

      Q: How does a CAT scan machine work?

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      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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    • Why should you fast before blood tests?

      Q: Why should you fast before blood tests?

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      Fasting for a certain length of time before a blood test is one way of ensuring that your test results are not contaminated by the food you've eaten. The Mayo Clinic notes that fasting may not be necessary to get an accurate reading on a cholesterol test, but most doctors will still ask that you fast for at least 12 hours before your appointment.

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    • What is the purpose of an MRI?

      Q: What is the purpose of an MRI?

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      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 the life support machine work?

      Q: How does the life support machine work?

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      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 a good pre-workout meal?

      Q: What is a good pre-workout meal?

      A:

      According to Marc Perry of Built Lean, an optimal pre-workout meal is low in fat, high in protein, and high in low-glycemic carbohydrates. Individual responses to pre-workout meals vary; some can eat a full meal an hour before a workout, while others must wait 2 to 4 hours.

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    • How much should I be able to bench press?

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

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      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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    • How do you figure out your body mass index?

      Q: How do you figure out your body mass index?

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      According to the Centers for Disease Control and Prevention, body mass index is calculated by using weight and height. If the measurement system used is the International System of Units, the weight of the individual in kilograms is divided by the height in meters squared. If the measurement system used is the United States Customary Units, the weight in pounds is divided by height in inches squared multiplied by 703.

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    • What is anaerobic training?

      Q: What is anaerobic training?

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      Anaerobic training is a form of exercise that increases the intensity of a workout to above the lactate threshold and forces the muscles to get their energy anaerobically. Competitor describes sprints, plyometrics and weightlifting as three forms of true anaerobic exercise that should appear in every athlete's training regime.

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    • How do I slim down my muscular thighs?

      Q: How do I slim down my muscular thighs?

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      According to SuperSkinnyMe.com, muscular thighs can be slimmed down by performing cardiovascular exercises, endurance running, resistance training and by avoiding squats and similar exercises. Exercises such as squats, leg curls and calf raises do not make thighs slimmer, but rather enlarge muscle fibers.

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    • How long does it take to hike the Pacific Crest Trail?

      Q: How long does it take to hike the Pacific Crest Trail?

      A:

      It takes the average thru hiker about five months to complete the entire 2,650 miles of the Pacific Crest Trail, though according to the Pacific Crest Trail Association, some experienced hikers have managed to traverse the entire trail in less than 100 days. The trail runs through the Pacific states of Washington, Oregon and California, connecting Canada and Mexico with trailheads at each respective border.

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