Rising Temperatures Linked to Increase in Dog Bites, Harvard Study Finds

The study revealed that exposure to PM2.5 (particulate matter) did not have a significant effect on the rates of dog bites. However, rising temperatures and ozone levels were found to be associated with an increase in dog bites

Rising Temperatures Linked to Increase in Dog Bites, Harvard Study Finds
Global Warming

Researchers have found a correlation between rising temperatures and an increase in dog bites, according to a recent study conducted at Harvard University. The study, published in the journal Scientific Reports, was carried out by researchers from Harvard School of Public Health and Harvard Medical School. They examined various environmental factors to determine their impact on the daily occurrence of dog bites on humans.

Harvard Study Identifies Connection Between Rising Temperatures and Dog Bites

The study revealed that exposure to PM2.5 (particulate matter) did not have a significant effect on the rates of dog bites. However, rising temperatures and ozone levels were found to be associated with an increase in dog bites. The researchers also noted a connection between higher levels of UV irradiation and the occurrence of dog bites.

The research team emphasized that aggression is a behavior commonly observed across different species and often serves advantageous purposes, such as defending territories, securing resources, and engaging in mate competitions. They found similar behavioral tendencies related to aggression in Rhesus monkeys, rats, and mice. Furthermore, it has been established that higher temperatures can lead to increased aggression in humans.

In their study, the researchers analyzed 69,525 incidents of dog bites on humans that occurred between 2009 and 2018 in eight locations across the United States. They discovered that the frequency of dog bites was higher on hotter days but decreased on cloudy and holiday days.

The researchers proposed a hypothesis that higher levels of sex steroids resulting from exposure to UV radiation on sunny days might contribute to an increase in aggression. This hypothesis was supported by findings from studies involving mice and humans.

Additionally, the study revealed that ozone, a highly reactive gas with a strong scent, can cause oxidative stress in the airways and impair pulmonary function, making it more difficult for animals to breathe.

In summary, this study conducted by Harvard researchers establishes a link between rising temperatures, ozone levels, and an increase in dog bites on humans. Understanding the environmental factors that influence aggressive behavior in animals can help us mitigate the risks and develop strategies to ensure the safety of both humans and animals.