A major scientific review may have found a possible cause of many of the cancers for which genetics, diet and lifestyle cannot explain. After reviewing more than 3,000 studies on microplastics, researchers concluded that these tiny toxins are linked to lung and colon cancer, as well as other lung diseases and infertility. That could be significant because, unlike dozens of cancers that are in decline, colon cancers are rising, especially among young people who are not normally at risk. Likewise, lung cancers not caused by tobacco are also on the rise Microplastics are pieces of plastic smaller than 5mm in...