Related Experiment Video
Updated: Mar 16, 2026
07:17
Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis
Published on: August 17, 2022
3.6K
Are we being drowned by overhydration advice on the Internet?
Martin D Hoffman1, Theodore L Bross2, R Tyler Hamilton3
1a Department of Physical Medicine & Rehabilitation, Department of Veterans Affairs , Northern California Health Care System, University of California Davis Medical Center , Sacramento , CA , USA.
The Physician and Sportsmedicine
|August 23, 2016
Summary
Misinformation about exercise hydration is common online, leading to dangerous overhydration. Accurate hydration guidelines are crucial to prevent heat illness and hyponatremia.
Area of Science:
- Sports Medicine
- Exercise Physiology
- Public Health
Background:
- Inaccurate hydration recommendations during exercise are widespread and pose health risks.
- The internet is a primary source of information for the public regarding exercise hydration.
Purpose of the Study:
- To assess the quality of online information regarding hydration during exercise.
- To identify prevalent misinformation and its potential dangers.
Main Methods:
- Conducted internet searches using keywords related to hydration and exercise.
- Analyzed 141 unique websites for specific hydration information and recommendations.
- Categorized websites by source (medical/scientific vs. other).
Main Results:
- Few websites correctly advised basing fluid intake on thirst or that electrolytes are generally unnecessary.
- Most websites failed to accurately link dehydration to heat illness or cramping.
- 100% of relevant websites correctly identified overhydration as a risk for hyponatremia.
- No significant difference in accuracy was found between medical/scientific and other website sources.
Conclusions:
- Widespread misinformation online about exercise hydration contributes to overhydration and associated risks.
- Trusted sources were not more accurate than other websites in providing correct hydration information.
- Improved dissemination of accurate hydration messages is vital to prevent exercise-associated hyponatremia.
More Related Videos
Related Concept Videos
01:29Disorder of Water Balance
2.7K
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
2.7K
01:25Regulation of Water Intake
3.0K
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
3.0K
01:26Regulation of Water Output
2.5K
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
2.5K
01:22Heart Failure VI: Adjunct Therapies
501
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
501
01:22Acute Kidney Injury VI: Nursing Management
635
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
635
01:25Hemodialysis III: Nursing Management
1.3K
The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this...
1.3K