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.
DogsBite.org Releases 3-Year Fatality Study: U.S. Dog Bite Fatalities January 2006 to December 2008. The report shows that 19 dog breeds contributed to 88 fatalities. Pit bulls accounted for 59% of these deaths, the second leading breed, rottweilers, accounted for 14%.