Common chemical used in plastics can feminise males & masculinise females, study finds
The world of plastics has been a topic of concern for many years, with the dangers of pollution, waste, and toxicity being well-documented. However, a recent study has shed light on a more insidious threat posed by a common chemical used in the production of plastics. Bisphenol A (BPA), a chemical compound commonly used to make plastics and in food packaging, has been found to cause sex-specific changes in metabolism and immune system, even at very low doses.
The study, published in the journal Communications Medicine, found that exposure to BPA before birth can have a profound impact on the development of males and females. The research team discovered that small amounts of BPA can alter the expression of genes, leading to feminization of males and masculinization of females. This finding has significant implications for our understanding of the impact of environmental chemicals on human health and development.
According to the study’s first author, “Even very low doses changed how the genes were expressed. Females were masculinised and males were feminised.” This statement highlights the alarming fact that even minimal exposure to BPA can have a profound impact on the development of an individual. The study’s findings suggest that BPA can interfere with the normal functioning of the endocrine system, leading to changes in the way genes are expressed.
The endocrine system plays a crucial role in regulating various bodily functions, including growth, development, and metabolism. The system is comprised of glands that produce hormones, which are chemical messengers that help to regulate various bodily functions. However, when the endocrine system is disrupted by environmental chemicals like BPA, it can lead to a range of problems, including changes in metabolism and immune function.
The study’s findings are particularly concerning, given the widespread use of BPA in plastics and food packaging. BPA is commonly used in the production of polycarbonate plastics, which are used in a range of products, including water bottles, food containers, and medical devices. The chemical is also used in the lining of food cans and in the production of paper products, such as receipts and tickets.
The impact of BPA on human health has been a topic of concern for many years. Previous studies have linked exposure to BPA to a range of health problems, including cancer, reproductive issues, and neurological disorders. However, the new study provides further evidence of the chemical’s ability to disrupt the normal functioning of the endocrine system, leading to sex-specific changes in metabolism and immune function.
The study’s findings have significant implications for public health policy and regulation. The use of BPA in plastics and food packaging is widespread, and the chemical is often found in high concentrations in food and water. As such, it is essential that regulatory agencies take steps to limit exposure to BPA, particularly for pregnant women and young children.
In addition to regulatory action, individuals can take steps to reduce their exposure to BPA. This can include avoiding the use of plastics that contain BPA, choosing glass or stainless steel containers instead of plastic, and avoiding foods that are packaged in plastics that contain BPA. Individuals can also reduce their exposure to BPA by avoiding the use of paper products, such as receipts and tickets, that contain the chemical.
In conclusion, the study’s findings highlight the need for greater awareness and action on the impact of environmental chemicals on human health. The use of BPA in plastics and food packaging is a significant public health concern, and regulatory agencies must take steps to limit exposure to this chemical. Individuals can also take steps to reduce their exposure to BPA, and it is essential that we work together to create a safer and healthier environment for all.
News Source: https://www.uu.se/en/news/2025/2025-10-27-bisphenol-a-causes-sex-specific-changes-in-metabolism-and-the-immune-system
About the Author
