Does copper sulfate make you fat?
My neighbor uses glue made of starch and a tiny amount of copper sulfate. She makes envelops from paper using this, by hand, and sells the envelops. She is very fat? Her children are very slim. BTW she is illiterate.
Is she fat because of copper sulfate. if she avoids touching copper sulfate, will she become slim?, After how much time? Is my suspicion well founded or not?