Researchers reviewed nearly 77,000 screening colonoscopies performed over six years by 51 gastroenterologists at a large practice in Minnesota. Normally, colonoscopy withdrawal moments lasted nine minutes almost, but about ten % of the doctors acquired individual averages of less than six mins, the investigators found. Patients whose screenings were performed by doctors whose standard colonoscopy withdrawal time lasted less than six mins were twice as likely to develop colon cancer within five years while those whose doctors’ colonoscopy withdrawal time averaged more than six minutes, the results showed. Colonoscopy withdrawal instances that went beyond eight minutes did not seem to offer an extra decrease in cancer risk.Vitality Re V is normally a newly produced insurance provider which issued health insurance-linked notes in a private offering regarding the this transaction. Aetna'on Tuesday s arrangements with Vitality Re Limited and Vitality Re II Limited expired, 7 January, 2014. ‘This reinsurance arrangement improves our capital performance and decreases our weighted average cost of capital,’ said Aetna's Treasurer J. Lankford Wade. ‘Today's transaction, which replaces the Vitality Re II arrangement essentially, marks the successful completion of our fifth such reinsurance set up.’..