I think cancer rates going up are a lot of things. I think medicine overall has gotten significantly better that because people aren't dying nearly as young as they used to are then able to go on to develop cancer they otherwise wouldn't have, I think that our increasingly sedentary lifestyles are certainly not helpful, I think the constant stresses of daily existence under late stage capitalism is extremely unhealthy, I think the amount of high calorie low nutrition highly processed foods we consume have a huge affect. Also cancer is an extremely large umbrella term for an affliction that comes about in more ways than there are cancers, melanoma comes from prolonged UV exposure, lung and mouth cancer come from a wide array of carcinogens operating on numerous mechanism, like Radon works completely differently from tobacco smoke and diferently from asbestos.

I think there is much stronger evidence for a multitude of other things causing cancer than solely glyphosate.