Dehydration

Dehydration is a condition caused by the loss of too much water from the body. Severe diarrhea or vomiting can cause dehydration.

What is Dehydration?

Dehydration is a condition that results when the body loses more water than it takes in.

Dehydration in the Elderly: Signs and Symptoms

How Does Mild Dehydration Affect the Body?

Dehydration Signs and Symptoms in Children

Latest Dehydration News and Research

Simple, low-cost interventions could help reduce heat stress for garment workers

Simple, low-cost interventions could help reduce heat stress for the millions of people who work in garment factories in Bangladesh, where extreme temperatures make conditions unbearable, according to Australian researchers.

27 Oct 2025

A parent's guide to manage pediatric respiratory illnesses during the virus season

As we head deeper into fall and toward the holiday season, your little one may start to exhibit symptoms like a runny nose, cough, or fever.

24 Oct 2025

Physically fit individuals may better cope with dehydration stress

Individuals who are physically fit may be better equipped to handle the negative effects of dehydration, according to research from the University of California, Riverside. In a study using selectively bred "high-runner" mice, the scientists found that fitter animals increased their voluntary running activity when deprived of water - a finding that could have implications for human performance and health under environmental stress.

23 Oct 2025

Study reveals high sudden cardiac death rates in female bodybuilders

Sudden cardiac death is responsible for an unusually high proportion of deaths in female bodybuilders worldwide, according to research published in the European Heart Journal today (Tuesday).

20 Oct 2025

MXene materials pave the way for next-generation smart contact lenses

As wearable health technologies evolve, smart contact lenses (SCLs) are emerging as powerful platforms for non-invasive, real-time ocular diagnostics.

16 Oct 2025

Study finds prolonged fasting common among infants before anesthesia

Most children - including nearly 80% of infants - go without clear liquids before surgery for at least twice as long as guidelines recommend, according to an analysis of data on more than 70,000 children presented at the ANESTHESIOLOGY 2025 annual meeting.

13 Oct 2025

Mucins show promise in preventing Salmonella infections

Mucus is more than just a sticky substance: It contains a wealth of powerful molecules called mucins that help to tame microbes and prevent infection.

25 Sep 2025

Frontline clinicians report trauma patterns in Gaza exceeding previous warzones

A British led study published by The BMJ today provides detailed data on the pattern and severity of traumatic injuries and medical conditions seen by international healthcare workers deployed to Gaza during the ongoing military invasion.

25 Sep 2025

Hyperemesis gravidarum associated with increased neuropsychiatric disorders in pregnancy

The largest study on pregnant women with excessive nausea and vomiting (hyperemesis gravidarum) has identified increased risks of numerous neuropsychiatric and mental health outcomes.

18 Sep 2025

Mathematical model recreates swallowing and reveals causes of dysphagia

For most people, swallowing is second nature, but how does it occur, and why do some people have difficulty with it? Researchers at Kyushu University in Japan have started to tackle these questions by developing a mathematical model that recreates the muscle movements of the esophagus that occur during swallowing.

16 Sep 2025

Online cognitive behavioral therapy shows promise for treating bulimia nervosa

Bulimia nervosa (BN), or bulimia, is a mental health disorder characterized by binge eating and a fear of gaining weight, which drives people to try and avoid weight gain, usually by compensatory (vomiting etc.).

27 Aug 2025

WHO and WMO report highlights extreme heat's impact on workers

The World Health Organization (WHO) and the World Meteorological Organization (WMO) have published a new joint report and guidance highlighting the growing global health challenges posed by extreme heat on workers.

23 Aug 2025

Endoplasmic reticulum controls cell movement to repair tissue gaps

The body's cells change their shape to close gaps such as wounds – with part of the cell flexing depending on the curve of the gap and the organization of cell-internal structures, a new study reveals.

18 Aug 2025

Personality predicts who stays happy with a smile after teeth whitening

The impact of tooth whitening on satisfaction varies by personality, suggesting that psychological factors are crucial for optimizing dental aesthetic outcomes.

12 Aug 2025

Study offers a promising new approach to stabilizing biomolecules

A new study from researchers at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) reveals that extremely simple peptides can mimic a biological process that protects sensitive proteins from environmental stress.

5 Aug 2025

Which GLP-1 meds have the most side effects? Study of 60,000 Facebook posts gives answers

Researchers analyzed nearly 60,000 public Facebook posts to identify real-world adverse events linked to GLP-1 receptor agonist (GLP-1 RA) medications. Gastrointestinal symptoms were most common, while mental health concerns and tirzepatide-specific side effects were also flagged.

28 Jul 2025

Addressing avoidable hospitalizations in terminally ill nursing home residents

Hospitalizations and emergency department (ED) visits can be distressing and costly for nursing home residents – especially those who are severely impaired or terminally ill. Despite their vulnerability, these individuals are frequently transferred to hospitals, even though up to 40% of such transfers over the past 25 years are considered potentially avoidable by health care professionals.

25 Jul 2025