Anyone have any idea about the safety of the chemicals and adhesives they use to make these things? I'm curious if the glue will last indefinitely and more imp

Anyone have any idea about the safety of the chemicals and adhesives they use to make these things? I'm curious if the glue will last indefinitely and more importantly if we aren't going to find out in 50 years that the stuff they treat all this wood with is killing us like seems to happen with so many things.