Every man and his dog may want to follow the example of a champion man and his dog by going vegan — like Formula One star Lewis Hamilton and his bulldog Roscoe who are both on top form — now that a new study shows a nutritionally sound vegan diet is healthy for dogs.

The peer-reviewed study found that a vegan diet could be more healthy than conventional meat-based diets and possibly raw meat diets, after comparing how well 2,500 dogs performed on the three diets.

Cats are not as well adapted as dogs to plant-based foods...