Headaches and SCUBA Diving

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Diving headaches have spoiled many dive trips. As there are different causes associated with headaches and diving, it can be as simple as a mask squeeze, an excessive constriction around the neck by thermal protection, a dental issue, cold water around an inadequately insulated head, or saltwater aspiration.
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SDI vs TDI Nitrox: Which One and Why

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We are often asked why we have two nitrox programs, one under SDI and one under TDI, and why should someone choose to teach one course over the other…. or even consider both?
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