In practice several plastics compounds are chemically too 'similar' to estrogen (the 'female' hormone).
The plastics with these estrogen like compounds typical either mechanically breakdown (microplastics) or leach due to chemical breakdown (e.g. caused by contact with high temperature liquids or acidic solutions).
Once absorbed it may confuse your body as a 'pseudo estrogen' hormone. This acts as an endocrine disruptor, potentially more so for Males of animal species because of their hormonal profile.
edit for context:
In practice several plastics compounds are chemically too 'similar' to estrogen (the 'female' hormone).
The plastics with these estrogen like compounds typical either mechanically breakdown (microplastics) or leach due to chemical breakdown (e.g. caused by contact with high temperature liquids or acidic solutions).
Once absorbed it may confuse your body as a 'pseudo estrogen' hormone. This acts as an endocrine disruptor, potentially more so for Males of animal species because of their hormonal profile.