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As I understand it Steve there is some data that indicates the ends of growing bones can be affected (damaged?) by the use of compressed gas. Whilst at a Bsac club the DO suggested 15/18m was very deep for a young body and that should be a maximum until growing had stopped. Of course this would also be dependent on number of dives per year etc.
Yes I'd sooner my kids were diving than getting hammered on Stella (especially Stella) but I wouldnt then say that 60m was better than getting hammered occasionally, its all about degrees of risk.
Matt |