Research shows that insects feel . Researchers say the pain that insects feel is a but not like human pain. The was by the University of Sydney in Australia. The co- of the research report said we don't really think insects feel kind of pain. He said many animals can sense and avoid things that we think will be . He said: "We knew that insects could sense 'pain' but what we didn't know is that an injury could lead to long-lasting hyper-...in a similar way to human patients' ."
The researchers looked at injuries in flies. The scientists damaged leg on the flies and let it heal. After the leg healed, the flies became sensitive. They tried to protect their legs. The pain the flies felt stayed in their and this changed their . Neely said if an insect is badly injured, it becomes very sensitive for the of their lives. Neely hopes to do more research to understand how humans feel pain. He said: "We are focused on making new stem cell or drugs that target the underlying cause and stop pain for ."