Allergic reactions to memory foam?
In modern society, some people are a lot more sensitive to a whole host of different products and airborne nasties.
With regards to polyurethane foam, history can only prove it is certainly not a risk.
In Australia alone thousands of tonnes of foam are produced and sold into areas such as bedding, furniture, automotive, yes products we are exposed to daily.
Hospitals for instance will not accept Latex foam as it is rubber-based, and all hospital mattresses are made from polyurethane foam.