This content was originally published in Agora RN - Rio Grande do Norte News Portal. Visit https://agorarn.com.br for more Christmas and RN news. There were 232 identified particles, especially polypropylene and polyethylene, but the authors warn that the association found does not prove cause and effect Read more Rio Grande do Norte news in Agora RN: https://agorarn.com.br Follow us: Facebook.com/agorarn