Poisons and venom have helped ocean species survive for thousands of years. These evolutionary adaptations enabled the species to hunt and thrive in different conditions. Read more about the roles of poisons and venoms in different species.
Err on the side of caution should unusual symptoms present after a dive. One DAN member experienced a rash and concentration issues. Read more about how DAN was able to help this diver.
Rebreather diving can be tricky for recreational divers especially in terms of relearning buoyancy control. Rebreather diving also does not change the amount of gas in the system, but simply moves the volume of gas back and forth. Learn more about how one rec diver learnt rebreather diving.
