By Tobias Carroll If you’ve used a weed killer on your lawn, it’s very likely that the product you used contained glyphosate. Unfortunately, glyphosate has also been linked to a higher risk of developing cancer in a scientific study. Two years ago, Bayer — in the aftermath of its purchase of Monsanto — spent billions of dollars to settle legal claims over glyphosate causing cancer. There’s still some debate over thi: the EPA’s findings on the substance have taken one approach, while the World Health Organization has raised more of a concern. But glyphosate remains an area of concern for many, …