Consider this:

quote:
***Swimming laps underwater is incredibly dangerous because, it is very easy to blackout without any warning sign.

Sitting underwater is quite easy and relaxing.Don't push yourself, just build up gradually.


Everything I've posted can be found in that bulletin board. The method is explained on Dr. Wenger's site:
http://www.winwenger.com/ebooks/guaran.htm

Be safe and read everything before trying this out.

Other than that, enjoy the process!