Bisphenol A (BPA) is a monomer found in plastic products used daily for the 
storage and consumption of food and beverages, such as plastic bottles, 
containers, and even toys. The molecule leaches out into the food, increasingly 
if exposed to warm temperatures and high acidity. BPA is known for many negative 
effects on the human body; for instance it acts as an xenoestrogen and 
influences fertility and gestation and might also have carcinogenic effects, 
causing breast and prostate cancer. Although it has not yet been proven as a 
direct cause of autoimmunity, many of the effects of BPA can be related to the 
pathogenesis of autoimmune disease (AID). Its estrogenic behavior modulates the 
immune system, it encourages the secretion of Prolactin that is known to be 
associated to AID, it creates oxidative stress that triggers the immune system 
and so on. Therefore there is room to advise individuals at risk for AID to 
avoid the consumption of BPA, similar to guidelines for pregnant women.