Scuba Fitness: Aerobic Exercise Improves Mental Performance For Divers

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Dr. Oz Belly Blasters

Researchers have known for some time that exercise increases endorphin production. In addition to improving the efficiency of the heart, lungs and vascular system, aerobic training can actually produce an anti-depressant type of effect including improvements in emotional and intellectual health. Aerobic exercise improves mood stability often allowing those under a doctor’s care to reduce anti-depressant and anxiety medications. Improvements in self-esteem, increased confidence, and a more positive outlook for the future are also benefits of the effects of physical activity on brain chemistry. Studies indicate that aerobic exercise improves mental acuity resulting in better concentration, enhanced ability to direct thoughts, and improved memory, all important mental performance activities for divers.
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Spy chiefs grilled: PR exercise or triumph for transparency?

Before Thursday, if you wanted to see British spy chiefs appear before parliamentarians and the cameras, your only opportunity would have been in the last James Bond film Skyfall, points out the BBC. Thursday’s move was hailed as a move forward for political transparency but did politicians probe deep enough? Not really, says Quentin Letts in theDaily Mail. He describes it as “a PR exercise nothing secret was uttered but a riveting one all the same”. He compares the scene to Skyfall, describing the three spooks Sir John Sawers, head of MI6; Andrew Parker, head of MI5; and Sir Iain Lobban, head of GCHQ as ‘M’, ‘C’ and ‘GCHQ’. “Until recently they would have been MYOB mind your own business but doing some ‘front-of-house’ stuff is now de rigueur.” But The Guardian, which itself came under fire by the chiefs for publishing Snowden’s leaks, says: “There was no Bond villain, no white cat, no steel-rimmed bowler hats just a gentle 90 minutes of polite questioning in which little was demanded or gleaned.” There were many reassurances offered and accusations of improper behaviour were rejected but “no MP or peer seriously tested any of these assertions”, says the newspaper.
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