Bacon, ham, salami, sausages and hot dogs contain chemicals that are harmful for us, like nitrates and nitrites that can damage the DNA in our digestive system and lead to cancer.

培根，火腿，香肠，香肠和热狗含有对我们有害的化学物质，像硝酸盐和亚硝酸盐，可以破坏我们消化系统的DNA，并导致癌症。