Why are young people getting colon cancer? A common weed killer may be linked, scientists say

Picloram kills weeds, but keeps grass growing. andresr/Getty Images A new study suggests the rise of young colon cancer may be linked to a common weed killer. More evidence is needed to tie the herbicide definitively to young colon cancer. It's a first clue for what may be behind this trend. Scientists are studying bacterial infections, too. A new study suggests a common weed killer may be linked to the mysterious global rise of young colorectal cancer. The first-of-its kind study published...