Word: glenn
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...NASA has pointed out, there were 17 million people aged 65 years or older in the U.S. in 1963, just one year after Glenn made his historic flight. Today, there are twice as many...
...part of the experiment, Glenn and Dr. Chiaka Mukai, a payload specialist from Japan, spent four nights wired to sensors that monitored breathing, muscle tension, brain waves, oxygen levels and eye and body movement. After their return Saturday, they slept at Johnson Space Center in Houston, still wired to the sensors. They will continue to give blood and urine samples for the next few weeks. Czeisler was still in Houston yesterday according to his secretary, and could not be reached for comment...
...study is also looking at the use of melatonin, a hormone produced in the brain, to ease sleeping disorders. While Mukai participated in this part of the experiment, Glenn was disqualified for reasons NASA would not disclose. Although melatonin is currently used by millions of Americans looking to improve their sleep, its effectiveness is uncertain. Mukai was given a placebo on some nights and melatonin on others. Besides studying the effects on her sleep, Czeisler will test its effects on Mukai's cognitive performance and short-term memory...
...will be a while, researchers say, before we know for sure. It may even be a while before the data from the flight is released to the general public. NASA is still grappling with privacy issues, including whether they should release John Glenn and other astronauts' medical information...
...Glenn, who said that he found this trip easier in some respects than his last, and that he "slept like a log" his last night in space, nevertheless appeared somewhat shakier than the other astronauts as he disembarked from Discovery...