Complex sentence: This technique was originally developed for snakebites but has also been shown to be effective at slowing venom movement and preventing systemic envenomation in case of funnel-web spider bite; there is evidence to suggest that periods of prolonged localisation may slowly inactivate the venom.
Split into simpler sentences: This technique was originally developed for snakebites but has also been shown to be effective at slowing venom movement and preventing systemic envenomation in case of funnel-web spider bite. There is also evidence to suggest that periods of prolonged localisation may slowly inactivate the venom.