7-Day Low-Plastic Trial Linked to Reductions in Hormone-Disrupting Chemicals, Study Reports A randomized trial that measured plastic-associated chemicals in more than 200 adults found detectable levels of phthalates and bisphenols in every participant. After a seven-day phase in which participants adopted lower-plastic alternatives, certain phthalates fell by more than 40 percent and bisphenols such as BPA and BPS fell by more than 50 percent in some groups. The findings were published in Nature Medicine and reported by mindbodygreen on Sept. 19, 2026. The trial, known as the Plastic Exposure Reduction Transforms Health (PERTH) trial, was conducted in Australia and led…

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