November 2018 PMID 29933347

Dehydration Impairs Cognitive Performance: A Meta-analysis.

Matthew T Wittbrodt, Melinda Millard-Stafford

Mentions

197
Peak: 8 in Sep 2025
across 5 sources since May 2019

Extended reach

1,040,016
potential audience

Total likes

8,003

Video views

959,756

Mentions per month

May 2019 – Sep 2025

Where it's discussed

  • News161 articles
  • X / Twitter19 posts
  • Blogs8 articles
  • Facebook6 posts
  • YouTube3 videos

AI synopsis

What people are saying

The discussions reflect a strong consensus supporting the publication, with users citing specific details such as the 2% dehydration level impairing cognition and emphasizing the importance of drinking enough water, indicated by phrases like 'drink up' and 'stay hydrated.' The tone is informative and motivated by scientific evidence, demonstrating meaningful engagement and perceived impact.

AgreementModerate agreement

Most discussions acknowledge and support the findings of the publication about dehydration negatively affecting cognitive functions.

InterestHigh interest

Participants show high interest, referencing specific details like the 2% dehydration threshold and emphasizing the importance of hydration for mental performance.

EngagementModerate engagement

Posts engage with the material by summarizing key points, quoting studies, and discussing practical implications, indicating thoughtful interaction.

ImpactModerate impact

The discussions suggest that the article influences perspectives on hydration's role in cognitive health, stressing its significance in everyday life and health practices.

Abstract in brief

  • Dehydration (DEH) has a small yet significant negative impact on overall cognitive performance, especially affecting attention, executive function, and motor coordination.
  • The severity of body mass loss (BML), particularly exceeding 2%, is linked to greater cognitive impairment, with effects increasing as dehydration worsens.
  • Despite variability among studies, findings consistently show that dehydration impairs cognitive tasks related to attention, executive functions, and motor skills when water deficit exceeds 2 BML.

Top posts

Most liked on X and Bluesky
毒多TKO
@Chirosamurai · X

Dehydration Impairs Cognitive Performance: A Meta-analysis : Medicine & Science in Sports & Exercise https://t.co/tABDTzuowl 脱水は認知など中枢の機能を低下させますから。 この時期はミスをしたら「集中しろ!」ではなく「水分取ろっか?」で。

Aug 14, 2020 · 28 likes · 1 share · 13,260 followers View post →
BensenHsu
@BensenHsu · X

@NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when people don't drink enough water, their bodies lose water, which is called dehydration. We know that not drinking enough water can make it harder to do physical things like https://t.co/1UtYhZyN5r

Sep 18, 2025 · 25 likes · 7 shares · 3,154 followers View post →
The Institute of Performance Nutrition
@TheIOPN · X

Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 15 likes · 5 shares · 8,879 followers View post →
Bryce Hanna
@photobiogenesis · X

Lastly, this is one of many studies detailing the cognitive benefits of proper hydration as opposed to dehydration https://t.co/jTXkI1vXta

Feb 28, 2021 · 6 likes · 34,109 followers View post →
Diana
@PharmphoodTM · X

Dehydration Impairs Cognitive Performance: A Meta-analysis https://t.co/jBBwK9T4pY

Sep 18, 2025 · 1 like · 564 followers View post →
Eric Rawson, Ph.D.
@EricRawsonPhD · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 7,534 followers View post →

All mentions

Mark Hays
@markhays1 · X

Dehydration Impairs Cognitive Performance: A Meta-analysis : Medicine & Science in Sports & Exercise https://t.co/Q9eeiST8QW

Sep 19, 2025 · 637 followers View post →
Claudia P Cobos Poveda
@ClauCobosP · X

Dehydration Impairs Cognitive Performance: A Meta-analysis : Medicine & Science in Sports & Exercise https://t.co/nZiO4AVkl2

Sep 19, 2025 · 17 followers View post →
eugenia458
@eugenia4581 · X

RT @BensenHsu: @NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when peopl…

Sep 18, 2025 · 7 shares · 88 followers View post →
Zoe Wang
@zoewangai · X

RT @BensenHsu: @NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when peopl…

Sep 18, 2025 · 7 shares · 1,461 followers View post →
Eileen Wong
@eileenwongai · X

RT @BensenHsu: @NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when peopl…

Sep 18, 2025 · 7 shares · 121 followers View post →
OpenRead
@OpenRead_HQ · X

RT @BensenHsu: @NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when peopl…

Sep 18, 2025 · 7 shares · 2,151 followers View post →
BensenHsu
@BensenHsu · X

@NTFabiano Breakdown of the paper: Title: Dehydration Impairs Cognitive Performance: A Meta-analysis Sometimes, when people don't drink enough water, their bodies lose water, which is called dehydration. We know that not drinking enough water can make it harder to do physical things like https://t.co/1UtYhZyN5r

Sep 18, 2025 · 25 likes · 7 shares · 3,154 followers View post →
Diana
@PharmphoodTM · X

Dehydration Impairs Cognitive Performance: A Meta-analysis https://t.co/jBBwK9T4pY

Sep 18, 2025 · 1 like · 564 followers View post →
tokatti
@tokatti_ · X

ゴールドの色をしていれば、腎臓はもっと多くの水分を必要としているサインになるとのこと https://t.co/RbcaVPnPI3 他の研究 とりあえずノドが渇く前に対策を取っとくのが良さそう https://t.co/tGj8GzAHmi #自分用メモ

Apr 21, 2025 · 189 followers View post →
Shana Mdluli
@thriveminds1 · X

4. Hydration According to Wittbrod & Millard-Stafford (https://t.co/XzpclVWcZX), if the brain is dehydrated by 2% of your body mass, your executive functions and focus will be impaired. So drink up (2 - 3 L), and stay hydrated and focused.

Jan 10, 2023 · 465 followers View post →
Bryce Hanna
@photobiogenesis · X

Lastly, this is one of many studies detailing the cognitive benefits of proper hydration as opposed to dehydration https://t.co/jTXkI1vXta

Feb 28, 2021 · 6 likes · 34,109 followers View post →
Kanishk D. Sharma
@kanishkmd · X

A new study shows Dehydration may cause cognitive impairment. https://t.co/9xt1aQprdR #covid19 #inauguration2021 #covidmemorial #1upaging #lifestyle #logevity #fitness https://t.co/hm4Vcv37Dh

Jan 20, 2021 · 238 followers View post →
毒多TKO
@Chirosamurai · X

Dehydration Impairs Cognitive Performance: A Meta-analysis : Medicine & Science in Sports & Exercise https://t.co/tABDTzuowl 脱水は認知など中枢の機能を低下させますから。 この時期はミスをしたら「集中しろ!」ではなく「水分取ろっか?」で。

Aug 14, 2020 · 28 likes · 1 share · 13,260 followers View post →
Claudio Chinaglia
@claudiochinagli · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 119 followers View post →
Łukasz Czerw
@UCzerw · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 67 followers View post →
Eric Rawson, Ph.D.
@EricRawsonPhD · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 7,534 followers View post →
SystematicReviewBot
@EvidenceRobot · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 6,704 followers View post →
Darren Delaney, MSc ASCC
@DarDelFitness · X

RT @GuruPerformance: Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 5 shares · 372 followers View post →
The Institute of Performance Nutrition
@TheIOPN · X

Paper of the week: Dehydration Impairs Cognitive Performance - A Meta-analysis https://t.co/I9oXJESagu

May 13, 2019 · 15 likes · 5 shares · 8,879 followers View post →