Word: pasts
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Dates: during 1990-1999
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...20th century--a century that saw us split the atom, crack the genetic code and allow Aunt Martha to auction off her turquoise Fiesta ware online--it is only natural to ask what the 21st century will hold for us. We trust that the future will outmarvel the past, but all we can say for sure is that our lives will change more swiftly than ever. In the following pages we ask what we hope are provocative questions about our health and the health of our planet. The sobering news is that we will have more people to care...
That could happen. Over the past two decades, Alzheimer's research has exploded to such an extent that a revolution in treatment seems likely. "We now have almost an embarrassment of riches," says Dr. Kenneth Kosik, a professor of neurology at the Harvard Medical School. "Not only do we have a profound knowledge of the biology of the disease but we also have multiple targets around which drugs can be designed...
...times. "In 20 years would I have done nothing more than create a thriving colony of healthy, smart mice that are free of brain disease? You can't take it for granted that every medical advance in mice will also benefit people." But the evidence started mounting. Over the past three years, researchers have discovered that brain cells regenerate in primate-like tree shrews, marmoset monkeys and rhesus monkeys, all of which are closer to us on the evolutionary scale than are mice (except in Kansas). The real payoff came late last year, when Fred Gage at the Salk Institute...
...this is meta-neuroscience," says Snyder, laughing. "But I tend to think that the cells will take their cue from the host that houses them" rather than remembering their past lives like so many cellular Shirley MacLaines. So, in the case of brain-cell implants, it would seem, it is better to be the recipient than the donor...
Reeve, however, doesn't plan to stay that way. On Sept. 25, 2002, his 50th birthday, he hopes to rise to his feet, lift a glass and toast the people who have helped him through the past few years. "I wouldn't bet the farm on it," he says. "But there's a chance it might happen...