Hi Mark,
Feargus here just down the road from you, below are a few links to threads on PFOs
http://forums.deeperblue.net/showthr...&highlight=pfo
http://forums.deeperblue.net/showthr...&highlight=pfo
There are other threads on bends and how they relate to freediving. Some great information here from eric fattah and others with medical minds and backgrounds. I,m sure you will find plenty of info.
