Hydration Analysis
Preventive Health Lab employs the bioelectrical impedance analysis method to analyze hydration.
This method has been proven to be highly efficient and effective and is used by many other well
respected institutions like the Mayo Clinic. It is essential to remain properly hydrated for optimal
health. Signs of dehydration include thirst, dark-colored urine, fatigue, irritability, anxiety,
agoraphobia, depression, food cravings, and allergies. Emergency thirst signals include morning
sickness, dyspeptic pain and heartburn, migraine headaches, angina, rheumatoid joint pain, back
pain, colitis pain, fibromyalgic pain, constipation, late-onset diabetes, and hypertension. The stress
of long-term dehydration can lead to high cholesterol levels, heart failure, chronic fatigue, cancers,
multiple sclerosis, osteoarthritis and osteoporosis, stroke, and Alzheimer's.
Bioelectrical impedance analysis (BIA) is a commonly used method for estimating body composition.
Since the advent of the first commercially available devices in the mid-1980s the method has
become popular owing to its ease of use, portability of the equipment and its relatively low cost
compared to some of the other methods of body composition analysis. It is familiar in the consumer
market as a simple instrument for estimating body fat. BIA[1] actually determines the electrical
impedance, or opposition to the flow of an electric current through body tissues which can then be
used to calculate an estimate of total body water (TBW). TBW can be used to estimate fat-free body
mass and, by difference with body weight, body fat.
Many of the early research studies showed that BIA was quite variable and it was not regarded by
many as a providing an accurate measure of body composition. In recent years technological
improvements have made BIA a more reliable and therefore more acceptable way of measuring body
composition. Nevertheless it is not a "gold standard" or reference method. Like all assessment tools,
the result is only as good as the test done. Although the instruments are straightforward to use,
careful attention to the method of use (as described by the manufacturer) should be given. Simple
devices to estimate body fat, often using BIA, are available to consumers as body fat meters. These
instruments are generally regarded as being less accurate than those used clinically or in nutritional
and medical practice.
In 2005 Samsung applied for a U.S. patent for a "Method and apparatus for measuring body fat by
using bioelectrical impedance" claimed to have lower error and better repeatability than other
devices; the patent application contains much useful detail on bioelectrical impedance measurement.
Preventive Health Lab employs the bioelectrical impedance analysis method to analyze hydration.
This method has been proven to be highly efficient and effective and is used by many other well
respected institutions like the Mayo Clinic. It is essential to remain properly hydrated for optimal
health. Signs of dehydration include thirst, dark-colored urine, fatigue, irritability, anxiety,
agoraphobia, depression, food cravings, and allergies. Emergency thirst signals include morning
sickness, dyspeptic pain and heartburn, migraine headaches, angina, rheumatoid joint pain, back
pain, colitis pain, fibromyalgic pain, constipation, late-onset diabetes, and hypertension. The stress
of long-term dehydration can lead to high cholesterol levels, heart failure, chronic fatigue, cancers,
multiple sclerosis, osteoarthritis and osteoporosis, stroke, and Alzheimer's.
Bioelectrical impedance analysis (BIA) is a commonly used method for estimating body composition.
Since the advent of the first commercially available devices in the mid-1980s the method has
become popular owing to its ease of use, portability of the equipment and its relatively low cost
compared to some of the other methods of body composition analysis. It is familiar in the consumer
market as a simple instrument for estimating body fat. BIA[1] actually determines the electrical
impedance, or opposition to the flow of an electric current through body tissues which can then be
used to calculate an estimate of total body water (TBW). TBW can be used to estimate fat-free body
mass and, by difference with body weight, body fat.
Many of the early research studies showed that BIA was quite variable and it was not regarded by
many as a providing an accurate measure of body composition. In recent years technological
improvements have made BIA a more reliable and therefore more acceptable way of measuring body
composition. Nevertheless it is not a "gold standard" or reference method. Like all assessment tools,
the result is only as good as the test done. Although the instruments are straightforward to use,
careful attention to the method of use (as described by the manufacturer) should be given. Simple
devices to estimate body fat, often using BIA, are available to consumers as body fat meters. These
instruments are generally regarded as being less accurate than those used clinically or in nutritional
and medical practice.
In 2005 Samsung applied for a U.S. patent for a "Method and apparatus for measuring body fat by
using bioelectrical impedance" claimed to have lower error and better repeatability than other
devices; the patent application contains much useful detail on bioelectrical impedance measurement.
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The Preventive Health Lab website is designed for educational purposes only and is not engaged in rendering health care advice. The information provided through this website should not be used for diagnosing or treating a
health problem or disease. It is not a substitute for professional care. If you have or suspect you may have a health problem, you should consult a health care provider. Digital Infrared Imaging of the breast is also known as
Breast Thermography, Thermal Breast Imaging, and Thermal Mammography among others. The authors, editors, producers, sponsors, and contributors shall have no liability, obligation or responsibility to any person or
entity for any loss, damage, or adverse consequence alleged to have happened directly or indirectly as a consequence of this material. This site, and the service described, is solely maintained and provided by the Preventive
Health Lab and is not affiliated with any other financial entity. This site does not accept advertising. Confidentiality of data relating to individual patients and visitors to this Web site, including their identity, is strictly respected.
The owners of this site undertake to honor or exceed the legal requirements of medical/health information privacy that apply in the country and state where this Web site and mirror sites are located.
health problem or disease. It is not a substitute for professional care. If you have or suspect you may have a health problem, you should consult a health care provider. Digital Infrared Imaging of the breast is also known as
Breast Thermography, Thermal Breast Imaging, and Thermal Mammography among others. The authors, editors, producers, sponsors, and contributors shall have no liability, obligation or responsibility to any person or
entity for any loss, damage, or adverse consequence alleged to have happened directly or indirectly as a consequence of this material. This site, and the service described, is solely maintained and provided by the Preventive
Health Lab and is not affiliated with any other financial entity. This site does not accept advertising. Confidentiality of data relating to individual patients and visitors to this Web site, including their identity, is strictly respected.
The owners of this site undertake to honor or exceed the legal requirements of medical/health information privacy that apply in the country and state where this Web site and mirror sites are located.
