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Related Concept Videos

Regulation of Water Intake01:25

Regulation of Water Intake

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...
Regulation of Water Output01:26

Regulation of Water Output

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...
Disorder of Water Balance01:29

Disorder of Water Balance

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...
Diabetes Insipidus II: Pathophysiology01:22

Diabetes Insipidus II: Pathophysiology

Normally, water balance is maintained through three interconnected mechanisms: the hypothalamic thirst center, the synthesis and release of antidiuretic hormone (ADH, or vasopressin), and the kidneys' responsiveness to this hormone. ADH is synthesized in the hypothalamus, released from the posterior pituitary, and acts on the distal nephron, allowing water reabsorption and concentrated urine production.Diabetes Insipidus and Its TypesIn diabetes insipidus (DI), this regulatory system is...
Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Primary Motives: Hunger and Thirst01:25

Primary Motives: Hunger and Thirst

Hunger and thirst are fundamental physiological drives crucial for maintaining homeostasis and ensuring the survival of both humans and animals. These drives are regulated through complex interactions between the brain, hormones, and sensory receptors.
Hunger arises when the brain detects changes in the body's nutrient levels, including glucose, lipids, amino acids, and hormones such as ghrelin and leptin. The hypothalamus plays a central role in hunger regulation. The lateral hypothalamus acts...

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Related Experiment Video

Updated: Jul 1, 2026

Murine Drinking Models in the Development of Pharmacotherapies for Alcoholism: Drinking in the Dark and Two-bottle Choice
07:31

Murine Drinking Models in the Development of Pharmacotherapies for Alcoholism: Drinking in the Dark and Two-bottle Choice

Published on: January 7, 2019

Water intake during drinking does not alleviate hangover symptoms.

Hiromitsu Imai1,2, Satoshi Kushio3, Keiko Matsuura4

  • 1Department of Medical Ethics, Oita University Faculty of Medicine, Oita, Japan.

Frontiers in Pharmacology
|June 30, 2026
PubMed
Summary

Drinking water between alcoholic beverages did not reduce hangover symptoms or affect alcohol metabolism. This study found no significant difference in alcohol kinetics or subjective hangover experiences between groups that did and did not consume water while drinking.

Keywords:
chaserethanol metabolismhangoverhangover effectwater

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A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
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Published on: January 5, 2018

Area of Science:

  • Pharmacology
  • Toxicology
  • Human Physiology

Background:

  • Hangovers cause significant impairment and discomfort.
  • Empirical evidence suggests water intake during alcohol consumption may reduce hangover symptoms, but lacks scientific verification.
  • Understanding the physiological impact of water as a 'chaser' is crucial for managing alcohol's effects.

Purpose of the Study:

  • To investigate if drinking water intermittently during alcohol consumption alters ethanol and acetaldehyde kinetics.
  • To determine if this practice alleviates hangover symptoms.
  • To assess the impact on psychomotor function and subjective well-being the following day.

Main Methods:

  • A randomized 2x2 crossover study involving 13 healthy males.
  • Participants consumed sake with or without intermittent water intake over 1 hour.
  • Measured breath ethanol/acetaldehyde, performed psychomotor tests (DSST), and assessed subjective symptoms (VAS).

Main Results:

  • No significant differences were found in exhaled ethanol and acetaldehyde kinetics between the control and water groups.
  • Psychomotor function, assessed by DSST scores, showed no variation between groups.
  • Subjective hangover symptoms, including headache and nausea, were similar in both groups.

Conclusions:

  • Intermittent water consumption during alcohol intake does not significantly affect ethanol disposition.
  • The practice did not demonstrate a measurable impact on hangover symptom severity.
  • This study suggests drinking water between alcoholic beverages is not an effective strategy for mitigating hangovers.