Inert Gas Washout

DAN medics and researchers answer your questions about dive medicine.

Four divers pose underwater

Laryngospasm and Anxiety

Q: During dive training in the pool, I couldn’t breathe after clearing my mask with my regulator in my mouth. After surfacing, I took six to eight wheezing breaths and then […]

Diving After Brain Surgery

I RECENTLY UNDERWENT BRAIN SURGERY. The surgery was successful, but now part of my skull has been replaced with mesh. My neurosurgeon is brilliant but does not know how the […]

Joint Pain and Diving

Your effort to relieve joint pain involves achieving neutral buoyancy, but that requires some physical exertion.  Additionally, nr-axSpa often progresses into ankylosing spondylitis with inflammation where tendons, ligaments, or joint capsules enter the bone, which can lead to spinal fusion and reduced mobility.

having back pain

Bipolar Disorder and Diving

YOUR QUESTIONS ANSWERED about Bipolar Disorder and diving, immersion pulmonary edema, and pain in teeth when diving.


Low Platelet Count and Diving

© ISTOCK/ MPHILLIOS007 Q: I have been diagnosed with low platelets. Is it OK to dive? Before you dive, you and your doctor should consider some possible effects of having a […]


Diving After an Eye Stroke

Q: I recently had an eye stroke. Can I still dive after it has been resolved? A: The main concerns with an eye stroke (central retinal artery occlusion, or CRAO) […]

Right Eye Sequelae of Branch retinal artery occlusion (BRAO) located temporal superior