BLOGFeatures
Portuguese Man-of-war alarm in the Mediterranean Sea
The Portuguese man-of-war not only has a melodious Latin name (Physalis physalis), but also an extremely beautiful structure. It's an ingenious product of evolution. It...
19 June 2018
Safety
The DAN HIRA Initiative: the promotion of a culture of safety at dive businesses
One more sliced finger from a dive ladder was the last straw for the DMO, called in to suture yet another significant dive-related injury. In...
11 June 2018
POP diving
POP Diving: when paper heroes scuba dive
It's 1952, and five years still need to go by before the premiere of 'The Silent World' award-winning movie by Jacques Cousteau and Louis Malle,...
11 May 2018
Safety
What are Standard Operation Procedures and how do they relate to diving safety
Standard Operation Procedures, or SOPs, are written documents that explain how to organize or do specific tasks, with the aim of creating a standardized and...
By Guy Thomas
16 April 2018
Medical Questions
Varicose veins and diving
I have varicose veins, which I want to have removed. Will this procedure present any problems relative to diving?Answer from DAN experts:Removing varicose vein does...
By DAN Staff
23 March 2018
Medical Questions
Diving after a stroke
Is it possible to dive after having suffered a stroke?Answer from DAN experts: Stroke, or loss of blood supply to the brain, causes damage to part...
By DAN Staff
09 March 2018
Medical Questions
Orbital implant and diving
I lost one of my eyes in an accident. I have an opportunity to learn how to scuba dive, but I have heard that I...
By DAN Staff
23 February 2018
Medical Questions
Leukemia and diving
I was diagnosed with leukemia and underwent treatment. I am in remission and was recently cleared by my doctors for exercise without restriction. I feel...
By DAN Staff
16 February 2018
Features
Invisible crystals and regulator failures
Scuba equipment failure or malfunction is a relatively rare factor in diving-related accidents and fatalities. When it does occur, the most common and hazardous malfunctions...
15 February 2018
Medical Questions
Oxygen Ear
What is "oxygen ear"?Answer from DAN experts:Also known as middle-ear oxygen absorption syndrome, oxygen ear describes a gas volume imbalance in the middle ear after...
By DAN Staff
09 February 2018
Incident insights
An Unexpected Earplug
The diver was a 58-year-old man with approximately 150 lifetime dives. He had hypothyroidism (low thyroid hormone levels) for which he took levothyroxine daily. He...
19 January 2018
Medical Questions
Deep Stop
I would like to know if deep stops are always recommended for recreational dives, if the depth of the deep stop must be half of...
By DAN Staff
19 January 2018
