Health

A:

According to a study conducted by the University College London, people need to eat 10 servings of fruits and vegetables per day in order to maintain optimal health and ward off premature death. The World Health Organization advises that eating five servings per day of fruits and vegetables is adequate.

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    • What causes a wisdom tooth infection?

      Q: What causes a wisdom tooth infection?

      A: 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 control bleeding after a tooth extraction?

      Q: How do you control bleeding after a tooth extraction?

      A: By applying pressure to the site of the extraction and exercising basic wound care, most people are able to stop bleeding entirely within about 24 hours following a tooth extraction. WebMD recommends additional measures to manage bleeding, reduce the risk of infection and speed up the process of recovery. If symptoms persist for longer than 24 hours, it is advisable to report them to a doctor or the oral surgeon who performed the procedure.
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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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    • 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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    • Why do toothaches hurt more at night?

      Q: Why do toothaches hurt more at night?

      A: 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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    • 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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    • 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 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 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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    • Why should you fast before blood tests?

      Q: Why should you fast before blood tests?

      A: 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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    • Which presumed functions did phrenology highlight?

      Q: Which presumed functions did phrenology highlight?

      A: During the 19th and 20th centuries, phrenology was used to determine mental functions and character traits of individuals. Though the practice was thoroughly debunked, for a period, the study of the skull's bumps and contours was widely used in a number of fields, including education, medicine, psychiatry and criminology. Phrenology affected many social issues, such as marriage and the treatment of native populations.
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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 military workout plan?

      Q: What is a military workout plan?

      A: A military workout plan involves exercises such as heavy punching bag work, tire flips, kettlebell swing, push-ups, body weight squats and mountain climbers done five to six days per week. This workout ranges from 60 to 90 minutes and helps maintain the high level of physical fitness needed for combat.
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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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    • When is it safe for a child to begin lifting weights?

      Q: When is it safe for a child to begin lifting weights?

      A: Strength training exercises with weights should not be undertaken before a child has developed appropriate balance and posture control, which typically happens around age 7 or 8. Parents whose children are of appropriate age and have the desire to lift weights can take some steps, including consulting with a pediatrician and finding an educated and knowledgeable trainer, to ensure that their child will be undertaking this activity safely.
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    • How many miles is a 1k run?

      Q: How many miles is a 1k run?

      A: A 1k run is approximately .62 miles, so it is not quite a full mile. A one kilometer run is roughly two-thirds of a mile, or six and a half city blocks. By contrast, a marathon which is typically just over 26 miles, would be around 42 kilometers.
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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 you use a pedometer?

      Q: How do you use a pedometer?

      A: Pedometers are devices that measure every step you take. According to About.com, studies show that the more steps you take per day, the better shape you are likely to be in. Wear a pedometer daily, or use a pedometer app on your smart phone to see how much you're moving each day.
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