Why your dog eats grass
Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. If your dog stops mid-walk to chew on a patch of lawn, you’ve probably wondered whether something is wrong. Of the delicious food options available to them, why would they choose leafy, bitter grass? Many owners assume the worst: that the dog has an upset stomach and is eating grass to make itself throw up. Dr. Melissa Bain doesn’t see it that way. “My dog enjoys it every day,” says Bain, a professor of clinical animal behavior at the University of California, Davis. “If we ever mow the grass, [he’ll] go out there and just start chomping on it.” To her, it reads as a snack, not a symptom. The idea that dogs graze to purge a sick stomach is one of the …









