A PFO is a passage in the wall between the right and left atria of the heart that can be found in about 25 percent of adults. Its size and the degree of blood flow through it vary. It can greatly impact diving.
Do you fully understand the origins of breathing gas? Learn more about the art and science of producing breathing gas.
DAN member Georgienne Bradley shares her stories concerning diving and why she is a DAN member. Read more.
Breast cancer can be debilitating and one DAN member shares her story of recovery and returning to diving after complex breast cancer surgery.
Read one couple’s story about diving with shrimp, clams and other little critters.
Knee aches and discomfort are a pain in the joint. With proper exercises and awareness, you can reduce and prevent knee pain to help you dive and live your best life.
Looe Key is considered a gem within the Florida Keys. The reef boasts corals, sharks, rays, grouper and many other species of wildlife. Learn more about diving Looe Key.
Marine biodiversity is vast and each river, lake, ocean and reef has different life. But what underlies regional diversities in marine biodiversity? How can one place support more life compared to others? Learn more about this kind of biodiversity.
DAN can help members work through difficult situations and accidents. But DAN’s research efforts can also help divers in lasting ways.
Get a deeper understanding of exploratory diving — a sometimes controversial topic. One team of divers schemed a plan to dive and explore a deep wreck. Read more about the process.
