Too old to dive?  While I subscribe to the motto that we are all as old as we feel, one hotly debated topic in sporting circles is the subject of whether someone can be too old to dive. The Divers Alert Network defines an older diver as any person age 50 years or older. Now before all my adventure travelers and “older” diver readers click outta here, read on, as our guest author cites research on how old is too old and these scuba diving tips for over 50.