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Researchers also posit that high levels of stress hormones caused by ACEs can wear down the body over time. A temporary spike in blood pressure in response to a stressful event may be useful to power an adaptive fight-or-flight response, but over the long term constant high blood pressure could raise a person's risk for heart attack and stroke. Studies have also found that consistently elevated levels of stress hormones, like cortisol, can lead to permanent damage in certain brain regions linked to depression...
...inevitable outcome of the failed attempt by Umar Farouk Abdulmutallab to blow up a plane over Detroit on Christmas Day: the fact the would-be bomber succeeded in boarding a flight with explosive powder sewn into his underwear has sparked new calls in the U.S. and Europe to dramatically step up security at airports. (See pictures of Umar Farouk Abdulmutallab...
...that they cannot detect low-density materials such as powders, liquids, thin pieces of plastic or anything that resembles skin. Nor can they detect any explosives concealed internally. Some politicians and aviation experts have questioned whether the scanners would have detected the powder that Abdulmutallab carried on board Northwest Flight 253. Ben Wallace, a British Conservative Parliament member who was involved in a defense firm's testing of the technology, said over the weekend that the scanners probably wouldn't have picked up the powder. But proponents of the system disagree. Dutch Interior Minister Guusje ter Horst told a news...
Even following the attempted attack on the Northwest flight, critics remain resolutely opposed to the machines. "A knee-jerk reaction which sees body scanners, with their known drawbacks of passenger delays and privacy threats, as a magic solution is a bad move," says Sarah Ludford, a British member of the European Parliament. "In the Christmas Day case, as in the 9/11 and 7/7 [London] bombings, the failure was not to join the dots of available information." Advocates of civil liberties agree. Simon Davies, director of the London-based human-rights watchdog Privacy International, describes the scanners as a "fashionable...
Read "What We Can Learn from Flight...