# Melamine, should we worry? **URL:** \ **Category:** Factual Questions\ **Created:** [October 23, 2007, 3:39pm UTC](https://boards.straightdope.com/t/melamine-should-we-worry/423707 "2007-10-23T15:39:06Z")\ **Posts on this page:** 1\ **Showing post:** 11
**Author:** ![Stranger\_On\_A\_Train](https://avatars.discourse-cdn.com/v4/letter/s/13edae/32.png) [@Stranger\_On\_A\_Train](https://boards.straightdope.com/u/Stranger_On_A_Train)\ **Post date:** [June 24, 2025, 7:48pm UTC](https://boards.straightdope.com/t/melamine-should-we-worry/423707/11 "2025-06-24T19:48:00Z")
> [@Chronos](#): > > All of the studies you see about microplastics just say how common they are, but I’ve never seen any with evidence that they actually cause health problems. And with how common they are, you’d think it would be easy to spot any health problems, if there were any. So why should we worry? Maxine Swee-Li Yee, Ling-Wei Hii, et al, “Impact of Microplastics and Nanoplastics on Human Health”, _Nanomaterials_ **2021** , _11_ (2), 496: > [_Several in vitro and in vivo studies have shown that micro- and nanoplastics were able to cause serious impacts on the human body, including physical stress and damage, apoptosis, necrosis, inflammation, oxidative stress and immune responses._](https://pmc.ncbi.nlm.nih.gov/articles/PMC7920297/#:~:text=Several%20in%20vitro%20and%20in%20vivo%20studies%20have%20shown%20that%20micro%2D%20and%20nanoplastics%20were%20able%20to%20cause%20serious%20impacts%20on%20the%20human%20body%2C%20including%20physical%20stress%20and%20damage%2C%20apoptosis%2C%20necrosis%2C%20inflammation%2C%20oxidative%20stress%20and%20immune%20responses) Stranger --- _[View the full topic](https://boards.straightdope.com/t/melamine-should-we-worry/423707)._