The 38 Most Dangerous Dog Breeds You Should Be Aware Of

2. Pit Bull

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This breed combines the agility and energy of a terrier with the strength and build of a bulldog. Some experts attribute the increase in pit bull attacks to the breed's growing popularity. Originally bred for fighting, pit bulls are often mistreated or kept in poor conditions. However, with the right care, this intelligent breed can be very social and playful. PETA has highlighted fatal pit bull incidents, noting that many pit bulls endure ongoing abuse and neglect, which may explain their involvement in serious injuries or fatalities.