February 2021 PMID 33130380

Estimation of the mass of microplastics ingested - A pivotal first step towards human health risk assessment.

Kala Senathirajah, Simon Attwood, Geetika Bhagwat, Maddison Carbery, Scott Wilson, Thava Palanisami

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Mentions

156
Peak: 15 in Jun 2023
across 6 sources since Nov 2020

Extended reach

1,629,748
potential audience

Total likes

1,325

Video views

16,421

Mentions per month

Nov 2020 – Jun 2025

Where it's discussed

  • News107 articles
  • X / Twitter34 posts
  • Blogs9 articles
  • YouTube3 videos
  • Reddit2 posts
  • Bluesky1 posts

AI synopsis

What people are saying

The discussions reflect a blend of curiosity and critique, with participants referencing the study’s estimation of humans ingesting between 0.1 and 5 grams of microplastics weekly. Words like 'interesting,' 'buzz,' and references to the 'pivotal' nature of the study highlight its perceived importance, but debates around the upper estimates and the presentation of data indicate some skepticism about its direct impact on health risk assessments.

AgreementModerate agreement

Most discussions acknowledge the importance of the study as a foundational step, especially with comments like 'Good paper on the subject here' and mention of its role in advancing understanding of microplastic ingestion.

InterestHigh interest

Posts show high curiosity, with multiple discussions emphasizing the wide range of ingestion estimates and debates about specifics, such as whether 5 grams per week is realistic or exaggerated.

EngagementModerate engagement

Many posts reference the study's data, highlight conflicting interpretations, or critique the presentation of findings, indicating a moderate level of deep analysis.

ImpactModerate impact

Users perceive the publication as significant in the broader context of environmental health, although some skepticism about the data's magnitude suggests varying perceptions of the study's real-world influence.

Abstract in brief

  • Microplastics are widely present in the food web, but there is a lack of defined exposure levels for humans, which complicates health risk assessments.
  • The study aimed to gather and standardize data on microplastic mass and ingestion rates from various sources to inform future research and risk assessments.
  • Analysis of fifty-nine studies estimated that humans may ingest between 0.1-5 grams of microplastics each week, marking a significant step in understanding the health implications of microplastic consumption.

Top posts

Most liked on X and Bluesky
Hank Green
@hankgreen · X

1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 grams of plastic per week. https://t.co/9cypKV6Yhr

Apr 1, 2022 · 525 likes · 5 shares · 1,527,937 followers View post →
Howdy Ho Neigbourino
@UnaHogan4 · X

@nypost NYT: you are eating FIVE GRAMS POF PLASTIC A WEEK The study they quoted: it is estimated that the weekly ingestion is on average, between 0.1-5g, with 5 being the maximum. Don't let facts get in the way of a good story though, eh, lads? xox https://t.co/xDNKTf98hS https://t.co/p9bxTi74Ko

Apr 1, 2022 · 9 likes · 2 shares · 133 followers View post →
HEAL Network - Healthy Environments And Lives
@HEALenviron · X

Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are everywhere in our environment, yet we are still learning about their potential #health impacts. #WorldEnvironmentDay #BeatPlasticPollution https://t.co/2dZetwA0uo https://t.co/vQGmO5Puw9

Jun 5, 2023 · 7 likes · 8 shares · 948 followers View post →
Texas Meg
@meg_texas · X

@flater831 @chydorina The actual microplastic study. 0.1 - 5 g. The latter, credit card equivalency. Especially from water. "Estimation of the mass of microplastics ingested – A pivotal first step towards human health risk assessment" U of South Wales scientists. Funding by WWF https://t.co/ehCAFBLfpF

Apr 19, 2024 · 2 likes · 412 followers View post →
Texas Meg
@meg_texas · X

@Z3R0Gravitas @chydorina The study, setting off the "buzz." Varying amounts, of course, with most coming from water. Yep. 5 g, depending in what ya drink from where! "Estimation of the mass of microplastics ingested – A pivotal first step towards human health risk assessment" https://t.co/ehCAFBLfpF

Apr 19, 2024 · 2 likes · 412 followers View post →
#LeadOnNCDs
@WePublicHealth · X

Globally on average, humans may ingest 0.1 - 5 g of #microplastics weekly! These tiny fragments are everywhere in our environment, yet we are still learning about their potential #health impacts. #HealEnvironment #WorldEnvironmentDay #BeatPlasticPollution https://t.co/bttbebu92n https://t.co/slkcYrJEjm

Jun 5, 2023 · 1 like · 3 shares · 14,460 followers View post →

All mentions

James
@seventhwhiskey · X

@chamath 5g/wk is the extreme upper end of the distribution. Average is 0.7g/wk. Habits and locale change that number significantly. Good paper on the subject here: https://t.co/gt1YiXphpg

Jun 16, 2025 · 1 like · 214 followers View post →
Jon.B
@jonbright.bsky.social · Bluesky

Estimation of the mass of microplastics ingested – A pivotal first step towards human health risk assessment www.sciencedirect.com/science/arti...

Jun 5, 2025 View post →
Paul busch
@paul_busch · X

https://t.co/KXJhGQQ0En

Jan 30, 2025 · 184 followers View post →
Marion Wilma Agnes Schnabel
@MarionSchnabel3 · X

https://t.co/n7itR80lvd

Jan 26, 2025 · 761 followers View post →
Texas Meg
@meg_texas · X

@flater831 @chydorina The actual microplastic study. 0.1 - 5 g. The latter, credit card equivalency. Especially from water. "Estimation of the mass of microplastics ingested – A pivotal first step towards human health risk assessment" U of South Wales scientists. Funding by WWF https://t.co/ehCAFBLfpF

Apr 19, 2024 · 2 likes · 412 followers View post →
Texas Meg
@meg_texas · X

@Z3R0Gravitas @chydorina The study, setting off the "buzz." Varying amounts, of course, with most coming from water. Yep. 5 g, depending in what ya drink from where! "Estimation of the mass of microplastics ingested – A pivotal first step towards human health risk assessment" https://t.co/ehCAFBLfpF

Apr 19, 2024 · 2 likes · 412 followers View post →
Minor
@saveme20749471 · X

@Klimakatastroph @SKoch_Charite @sciforfuture Wenn man sich die Studie anschaut, kann man lesen, daß es sich um einen obersten Schätzwert handelt. Der schwankt bei diesen Schätzungen zwischen "287.0 g and 7.7 g per person per year" also 0,14 und 5,1 g/Woche. #Cherrypicking https://t.co/o7hTUBX7on

Sep 30, 2023 · 212 followers View post →
JARI HERRANEN
@herranen_jari · X

RT @herranen_jari: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are eve…

Jun 21, 2023 · 1 share · 763 followers View post →
JARI HERRANEN
@herranen_jari · X

Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are everywhere in our #environment, yet we are still learning about their potential #health impacts. https://t.co/m5gzcTVvtF

Jun 20, 2023 · 1 share · 763 followers View post →
Croakey News
@CroakeyNews · X

RT @WePublicHealth: Globally on average, humans may ingest 0.1 - 5 g of #microplastics weekly! These tiny fragments are everywhere in our e…

Jun 6, 2023 · 3 shares · 11,525 followers View post →
Dr. Priyanka Multani
@priyankamultan0 · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 94 followers View post →
CAPHIA
@CAPHIA1 · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 697 followers View post →
Luke Robbie - Proud ALP Member
@netsurfau · X

RT @WePublicHealth: Globally on average, humans may ingest 0.1 - 5 g of #microplastics weekly! These tiny fragments are everywhere in our e…

Jun 5, 2023 · 3 shares · 4,418 followers View post →
Melissa Sweet
@MelissaSweetDr · X

RT @WePublicHealth: Globally on average, humans may ingest 0.1 - 5 g of #microplastics weekly! These tiny fragments are everywhere in our e…

Jun 5, 2023 · 3 shares · 28,529 followers View post →
Amanda Neil
@AmandaLNeil · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 1,105 followers View post →
#LeadOnNCDs
@WePublicHealth · X

Globally on average, humans may ingest 0.1 - 5 g of #microplastics weekly! These tiny fragments are everywhere in our environment, yet we are still learning about their potential #health impacts. #HealEnvironment #WorldEnvironmentDay #BeatPlasticPollution https://t.co/bttbebu92n https://t.co/slkcYrJEjm

Jun 5, 2023 · 1 like · 3 shares · 14,460 followers View post →
Mariel
@tapia_echanove · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 257 followers View post →
Erin Dunne
@ErinDunne4 · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 22 followers View post →
Healthy-Polis
@HealthyPolis · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 528 followers View post →
Sotiris Vardoulakis
@SotirisVard · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 1,433 followers View post →
Evangeline Mantzioris PhD APD AccSD
@EMantzioris · X

RT @HEALenviron: Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are every…

Jun 5, 2023 · 8 shares · 1,168 followers View post →
HEAL Network - Healthy Environments And Lives
@HEALenviron · X

Did you know that globally on average, humans may ingest 0.1 - 5 g of microplastics weekly? These tiny fragments are everywhere in our environment, yet we are still learning about their potential #health impacts. #WorldEnvironmentDay #BeatPlasticPollution https://t.co/2dZetwA0uo https://t.co/vQGmO5Puw9

Jun 5, 2023 · 7 likes · 8 shares · 948 followers View post →
De Zomeradmiraal
@lmrlbastos · X

@corre_marie @vinceflibustier Citer la valeur la plus haute d'une autre étude qui a facteur 50 entre ses deux extrêmes, je trouve ça limite malhonnête. https://t.co/wBeqp8RhS6

Dec 13, 2022 · 1 like · 227 followers View post →
chriss | can't ignore crazy visions of me in LA
@casgirlsam · X

RT @UnaHogan4: @nypost NYT: you are eating FIVE GRAMS POF PLASTIC A WEEK The study they quoted: it is estimated that the weekly ingestion…

Apr 3, 2022 · 2 shares · 916 followers View post →
Tim Parenti
@timparenti · X

RT @hankgreen: 1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 gram…

Apr 2, 2022 · 5 shares · 830 followers View post →
Howdy Ho Neigbourino
@UnaHogan4 · X

@GreaterTrochan1 @nypost Actually I think it's this one, it seems to be from the same university that they quoted and has the claim of '5 grams' (though it does say the average is between 0.1 and 5 grams so it seems NYT is exaggerating a bit) https://t.co/xDNKTf98hS

Apr 2, 2022 · 1 like · 133 followers View post →
#Writer Rose Rosetree, Loving My #WritersLIfe
@RoseRosetree · X

RT @hankgreen: 1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 gram…

Apr 1, 2022 · 5 shares · 8,248 followers View post →
Cathy YesCT
@YesCT · X

RT @hankgreen: 1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 gram…

Apr 1, 2022 · 5 shares · 2,021 followers View post →
rian
@bukuastronomi · X

RT @hankgreen: 1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 gram…

Apr 1, 2022 · 5 shares · 189 followers View post →
Hank Green
@hankgreen · X

1. A meta analysis of potential ways people might consume microplastic resulted in the broad estimate of 0.1 grams to 5 grams of plastic per week. https://t.co/9cypKV6Yhr

Apr 1, 2022 · 525 likes · 5 shares · 1,527,937 followers View post →
Howdy Ho Neigbourino
@UnaHogan4 · X

@AndrewLiden1989 @dawnm @hankgreen here's the study it claims an average of between 0.1-5g a week, so definitely not 5g as an average, https://t.co/xDNKTf98hS

Apr 1, 2022 · 1 like · 133 followers View post →
Howdy Ho Neigbourino
@UnaHogan4 · X

@nypost NYT: you are eating FIVE GRAMS POF PLASTIC A WEEK The study they quoted: it is estimated that the weekly ingestion is on average, between 0.1-5g, with 5 being the maximum. Don't let facts get in the way of a good story though, eh, lads? xox https://t.co/xDNKTf98hS https://t.co/p9bxTi74Ko

Apr 1, 2022 · 9 likes · 2 shares · 133 followers View post →
Caleb Ward
@calebdward · X

@moontwerk Basically, their finding is that its very hard to calculate, but it's a problem. Here's the study https://t.co/lOOMc5lCk2

Mar 21, 2022 · 1 like · 2,025 followers View post →
Florence A
@farybole · X

@JoshuaF53633592 @YDecreux @MaxCRoser @danielharan If you look at the article's abstract, you will find that the estimate ranges from 0.1 to 5g. The authors did the best they could but available data is scarce so the range is very wide. 5g is highest estimate but average is 0.7g. https://t.co/TYW3qw1ggP

Jul 7, 2021 · 33 followers View post →
HEEDS.org
@HEEDSorg · X

"We estimated that globally on average, humans may ingest 0.1-5 g of microplastics weekly through various exposure pathways." Estimation of the mass of microplastics ingested - A pivotal first step towards human health risk assessment https://t.co/9cLIaX6T5V via @HAZMAT_journal

Nov 2, 2020 · 1 like · 1 share · 1,367 followers View post →