For years, deep-sea diving has been used primarily to search for marine organisms. Scuba diving mechanics have improved dramatically and become more available to everyday thrill seekers. It has also become an interest for many people to learn and experience it as a recreational activity. Most people who dive without certification or dive alone face dangers that other trained divers are not subject to. For example, diving alone is particularly dangerous because, in the event of an injury, there is no one to assist. As for those who are trained and have companions, they can experience being surrounded by the wonderful marine life and natural wonders of the earth with less risk. Certified or uncertified, there are still dangers lurking beneath the surface of the water and accidents can occur anytime, anywhere. Safety precautions have been taken to help address the dangers that divers face while submerged, but not all of them can be prevented and there is still more to be done. Being underwater means experiencing a completely new world. We don't belong underwater, so there are many things that need to be done to keep us safe. There are many risks associated with scuba gear. Going deep into the water is very complicated, as the pressure increases, many things can go wrong, such as decompression sickness. Decompression sickness is the result of breathing high-pressure gases. Inadequate diving equipment can lead to life-threatening injuries and illnesses, including nitrogen narcosis and oxygen toxicity. “Prolonged exposure to high partial pressure breathing gases will result in increased amounts of non-metabolic gases, usually nitrogen and helium…” (Wikipedia #16) Nitrogen narcosis can affect a diver making him feel… .... middle of paper...... Web. February 25, 2014. National Science Foundation. “Underwater panic”. GENTLEMEN Discoverer. Np: np, nd No. page GENTLEMEN Discoverer. Network. February 25, 2014. Rossier, Robert N. “The Personal Limits of Fear.” Underwater training. Np, nd Web. March 10, 2014. “Scuba Diving.” Wikipedia. The Free and Web Encyclopedia. February 10, 2014. Ullrich, Arthur H., Jr. "Scuba Diving." Book of the world. Np: np, nd No. page World online book reference center. Network. February 12, 2014. "Why do people dive?" Underwater training. Np, nd Web. March 10. 2014. .