I don't use any pesticides, and really don't see a reason for
lawn pesticides (the constant battle for perfection but done in a way that creates a tougher battle the next day!).
However, this is a
video of a Cleveland Clinic doctor tapping his foot and making a statement he knows nothing about. There has been only 1 study I am aware of linking lawn pesticides to lymphoma in dogs. That was a study about 15 years ago claiming to show 2-4 D caused lymphoma. The study had poor methodology and was debunked. This doc also goes on to draw his own conclusion to "use organic". As most of you know, there are plenty of harmful "organic" pesticides as well.
Again, I don't recommend lawn pesticides. The fact your dogs may roll in it, get it on their paws and lick it, be more likely to get cancer from it, etc, are just some of the reasons. But this video message has no "meat" to it.