Medical Ranges & Levels

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According to Curiosity.com, the human body grows steadily from birth to late teens, at which point the skeletal system has fully formed. However, a few studies have found that both the pelvis and skull continue to grow after the teen years.

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  • When Is Your Body Temperature Too High?

    Q: When Is Your Body Temperature Too High?

    A: Any body temperature above 102.5 degrees Fahrenheit is considered a high fever, says MedicaLook. Fevers that reach 107 F or higher are exceptionally dangerous, because the majority of humans cannot survive such high internal temperatures. The Mayo Clinic advises that adults should seek immediate medical attention for fevers of 103 F or higher.
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  • When Does a Fever Become Dangerous?

    Q: When Does a Fever Become Dangerous?

    A: According to Mayo Clinic, the point at which a fever becomes dangerous depends upon age and other accompanying symptoms. It is generally advised to seek treatment if the fever rises above 102 degrees Fahrenheit in adults and children over 3 months old.
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  • How Do Hormones Affect Behavior?

    Q: How Do Hormones Affect Behavior?

    A: According to Sciences 360, hormones affect many facets of human behavior, including emotions, health, sexual attraction and even weight. Sciences 360 defines hormones as chemicals created by a cell or organ that communicate to another cell or organ to help to regulate normal body functions such as sleeping and eating.
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  • What Does a Low Body Temperature Indicate?

    Q: What Does a Low Body Temperature Indicate?

    A: A low body temperature indicates either exposure to cold weather or a decrease in the body's metabolic rate. It can also indicate both. Left unchecked, it may progress to hypothermia, a potentially life-threatening condition. According to Dictionary.com, hypothermia is an abnormal decrease in body temperature.
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  • Why Is Respiration Important?

    Q: Why Is Respiration Important?

    A: Respiration is important because it produces energy that is essential for the normal functioning of the body. Respiration provides cells with oxygen and expels toxic carbon dioxide. The BBC notes that cells need energy for movement, multiplication, the synthesis of essential molecules and maintaining body temperature.
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  • What Are Normal Progesterone Levels?

    Q: What Are Normal Progesterone Levels?

    A: In women, normal progesterone levels from the first to the 14th day of the menstrual cycle are less than 1 nanogram per milliliter, according to WebMD. From the 15 until the 28th day of the menstrual cycle, normal progesterone levels are around 2 to 25 nanograms per milliliter. In men, normal values are less than 1 nanogram per milliliter.
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  • What Is the First Symptom of a Blood Clot in the Calf?

    Q: What Is the First Symptom of a Blood Clot in the Calf?

    A: According to WebMD, the first symptom of a blood clot inside the calf, also known as a deep vein thrombosis, varies from person to person. Common symptoms include calf pain, weakness, swelling or the appearance of bulging surface veins. Deep vein thrombosis can also be present without any symptoms. This is dangerous, because the blood clot can break free and travel to block more critical blood vessels.
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  • What Are Characteristics of a Healthy Person?

    Q: What Are Characteristics of a Healthy Person?

    A: The characteristics of a healthy person include a high level of high-density lipoprotein cholesterol, a low resting heart rate, balanced muscular strength, a high level of cardiovascular fitness and being happy in work and home life. Together, these factors lower the risk of heart attack, cancer, injury, mental illness and other diseases that are more likely to manifest themselves in less healthy individuals.
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  • How Can a Diabetic Keep His Blood Sugar Levels Within a Normal Range?

    Q: How Can a Diabetic Keep His Blood Sugar Levels Within a Normal Range?

    A: A diabetic keeps his blood sugar levels within a normal range by using the medication his doctor prescribes, consuming a healthy diet and participating in regular activity, according to Mayo Clinic. Even with careful control, blood sugars change quickly, making regular monitoring essential.
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  • How Much Does Your Skin Weigh?

    Q: How Much Does Your Skin Weigh?

    A: According to the Cleveland Clinic, the skin of an average adult weighs about 6 pounds. Skin covers about 22 square feet of space and renews itself about every 27 days. It is the body's largest organ and plays a critical role in protecting the body from infections and the elements.
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  • What Are Acceptable Radon Levels?

    Q: What Are Acceptable Radon Levels?

    A: According to the Environmental Protection Agency, radon levels above 4 pCi/L (picocuries per liter) are dangerous. People who live in homes where the average radon level is more than 4 pCi/L should alter their home to reduce the radon level.
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  • What Are the Parts of a Lab Report?

    Q: What Are the Parts of a Lab Report?

    A: The parts of a scientific lab report include the abstract, introduction, experimental methods and materials, results, discussion, conclusion and references, according to Purdue University. Evergreen Valley College adds a title page and applicable appendices. Each part of a lab report has specific data with a specific purpose so scientists and professionals can read each lab report clearly.
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  • What Is the Deepest Stage of Sleep?

    Q: What Is the Deepest Stage of Sleep?

    A: Stage four of non-REM sleep is the deepest stage of sleep, according to Psych Central. Stage four is also called delta sleep because of the deep, slow delta waves of the brain during this part of the sleep cycle, which lasts about 30 minutes.
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  • What Is the Normal Pulse Rate of an Adult?

    Q: What Is the Normal Pulse Rate of an Adult?

    A: The normal pulse rate of an adult ranges from 60 to 100 beats per minute, according to Medical News Today. This rate temporarily increases or decreases depending on a variety of factors, including physical activity, body temperature and emotional state.
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  • When Does the Human Body Stop Growing?

    Q: When Does the Human Body Stop Growing?

    A: According to Curiosity.com, the human body grows steadily from birth to late teens, at which point the skeletal system has fully formed. However, a few studies have found that both the pelvis and skull continue to grow after the teen years.
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  • How Much Saliva Do People Swallow Per Day?

    Q: How Much Saliva Do People Swallow Per Day?

    A: According to WebMD, the human body makes around 2 to 4 pints of saliva a day. A person also swallows that amount of saliva per day.
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  • What Is a Normal Blood Sugar Level for a 2-Year-Old Child?

    Q: What Is a Normal Blood Sugar Level for a 2-Year-Old Child?

    A: According to Mayo Clinic, typical blood sugar levels in a toddler fall between 100 and 200 mg/dL, with an average of around 70 to 90 mg/dL. A blood sugar level outside of these amounts could be an indicator of diabetes.
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  • What Is an Acceptable Recovery Heart Rate Level 10 Minutes After Exercising?

    Q: What Is an Acceptable Recovery Heart Rate Level 10 Minutes After Exercising?

    A: Within 10 minutes after exercise, the heart should be at its normal, resting rate. According to WebMD, the heart slows down by 12 beats per minute or more each minute, which translates into a drop of at least 120 beats per minute in the first 10 minutes after exercise.
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  • What Is the Highest Fever Ever Recorded?

    Q: What Is the Highest Fever Ever Recorded?

    A: The highest fever ever recorded was 115.7 degrees Fahrenheit. This fever was reported in the Lawrence Journal-World, in July of 1980. A 51-year-old man named Willie Jones suffered heat stroke on July 10, 1980, when the temperature outside was 90 degrees Fahrenheit. He received treatment and survived the fever.
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  • How Do You Read a Blood Test?

    Q: How Do You Read a Blood Test?

    A: The National Heart, Lung, and Blood Institute shows normal ranges for the most common values detected on a blood test, including red blood cell count, white blood cells, platelets, hemoglobin, hematocrit and mean corpuscular volume. The NHLBI also gives normal ranges for blood glucose levels and lipoproteins such as cholesterol. Abnormal results can indicate disease as well as issues with diet, menstrual cycle, physical activity levels, alcohol intake and medicines.
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  • What Is the Average Human Reaction Time?

    Q: What Is the Average Human Reaction Time?

    A: For college-age individuals, reaction times to light stimuli have been published as 190 milliseconds, or 0.19 seconds, and to auditory stimuli as 160 milliseconds, or 0.16 seconds. Human reaction times vary according to the type of stimuli, the method of measurement and the particular study's results.
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