Conclusions: Scuba diving may have long-term negative neurofunctional effects when performed in extreme conditions, namely cold water, with more than 100 dives per year, and maximal depth below 40 m.

but for scuba-diver Jessica Pita, it's a potentially life-saving ditty. That's because she's blind - and her diving partner hums the Jaws theme tune to signal that a shark is nearby. The 21-year ...