Be gentle with plastic: it’s sensitive!

How to handle plastics

Rather than discussing a type of plastic today, I’m discussing how plastics behave—and how we should best treat them. Please note that I am not a health professional, scientist, or expert. Always seek professional help for your health concerns or questions.

Sometimes we consider plastics indestructible, and they are in a way (they never really leave the environment, but exist in one form or another forever). But on the other hand, they’re also very sensitive to their environments!

New research is showing that most plastics get “stressed” and leach chemicals with estrogenic activity when they are subjected to:

  • heat
  • UV radiation
  • physical damage

For this reason, it’s best to treat the plastics in our lives with care. This means:

  • do not boil, microwave, or otherwise heat plastics
  • refrain from putting plastic in the dishwasher
  • do not leave plastic water bottles in hot cars, or in other areas subjected to UV radiation

We don’t know the exact sort of health or environmental effects may be caused by heating everyday plastics, but it’s enough for the American Academy of Paediatrics to discourage caregivers from heating children’s plastic dishes and bottles, or placing them in the dishwasher. 

When it comes to human research, it’s so difficult to conduct experiments that would be considered ethical, but in real life situations, almost everyone is exposed to plastics! 

In my own home, I wash plastics by hand (including plastic bags that I use in the freezer), but I grew up not thinking twice about microwaving plastic that claimed to be microwave safe! What about you?


[AAP. 2018. American Academy of Pediatrics Says Some Common Food Additives May Pose Health Risks to Children.]

[Environmental Defence.]

[Yang, C. Z., Yaniger, S. I., Jordan, V. C., Klein, D. J., & Bittner, G. D. (2011). Most plastic products release estrogenic chemicals: a potential health problem that can be solved. Environmental health perspectives, 119(7), 989–996.]


3 responses to “Be gentle with plastic: it’s sensitive!”

  1. I hand wash plastic containers too! I don’t microwave food in plastic, and I store leftovers in glass containers as much as I can. 🙂

    1. I do the same! Thanks for sharing.

  2. […] showed that steeping tea in plastic teabags in hot water (stressing the plastic—if you remember this post) releases “11.6 billion microplastics and 3.1 billion nano plastics [even smaller than […]

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