A study in rats found that ingesting chitosan, a dietary fiber from shells, significantly increased the fecal excretion rate ...

There are also two types of microplastics: primary and secondary. Primary microplastics are those produced directly as microparticles, such as microbeads – the little plasticky balls you used to ...

They come from two main sources: primary microplastics, like microbeads in beauty products or fibers from synthetic clothing, ...