Onion and garlic poisoning results in oxidative damage to the red blood cells (making the red blood cells more likely to rupture) and gastroenteritis (e.g., nausea, oral irritation, drooling, abdominal pain, vomiting, diarrhea).
What breed of dogs have killed more people? The Pit bull has killed the most people, surprisingly, as they are so friendly. The second breed that has killed the most people is the Rottweiler.
Dog Attacks On People in the U.S. and Canada. Over 300 people have been killed by domestic dogs in the U.S. between 1979 and the late 1990s (Humane Society of the U.S., reported in Tracking and the Art of Seeing, Paul Rezendes, second edition, 1999, p. 194).